Space News/UFO's Etc...(Discussion/Pics/Vids)

What We've Learned From 60 Years of U.S.-Funded UFO Probes
Nadia Drake, National Geographic | December 19, 2017

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A recently revealed, formerly secret U.S. government program that studied unexplained aerial phenomena—more colloquially referred to as UFOs—came as a surprise to many when stories describing it appeared almost simultaneously in the New York Times and Politico.

The Pentagon’s project, called the Advanced Aviation Threat Identification Program, was reportedly established in 2007 to investigate unexplained aerial phenomena that appeared to be using novel propulsive, hovering, or otherwise advanced technologies. A 490-page report detailing the program’s findings supposedly exists, though it has not yet been released.

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Luis Elizondo, who led the Pentagon effort to investigate UFOs until October, reportedly resigned in protest
of what he characterized as excessive secrecy and internal opposition.

Some may think that the very existence of this project supports the idea that aliens are visiting us, but that’s not a logical conclusion. The undeniable truth is that observations of a puzzling nature certainly merit investigation, as long as it’s done scientifically. And this project is not even close to the first U.S. government-funded search for evidence of advanced intelligence—so far, to little effect.

Projects that began more than five decades ago and still continue to this day include efforts to evaluate bizarre sightings and exotic objects, scan the skies for signs of intelligent transmissions, and develop instruments capable of sniffing out signs of life on faraway worlds.

The fact that the government chose to spend some cash on a supposedly scientific look at UFOs—particularly as they could be crucially related to national security threats—really should be no surprise, says Seth Shostak, one of the SETI Institute’s senior alien hunters.

Neil deGrasse Tyson and SETI astronomer Seth Shotsak talk about alien sightings

"The feds have long had an interest in UFOs, going back to the celebrity cases of the late 1940s—Roswell, anyone?” says Shostak. “Much of the motivation for this interest was the worry that the strange things being reported in the sky might be novel Soviet—or today, Russian or Chinese—aircraft.

“But even if you think that the interest had greater scope, that the government really wanted to know if our little planet was being visited by other beings, there’s little surprise in the fact that they’ve spent a modest amount of money investigating that possibility.” Indeed, roughly a third of the U.S. population believes that some of these bizarre phenomena are attributable to extraterrestrial visitors, he says.

The bigger problem, according to Shostak, is that the money shunted into the Pentagon program went primarily to a company founded by Robert Bigelow, a billionaire aerospace mogul whose company builds inflatable space modules and who has long believed in alien visitation. Initiated after conversations between Bigelow and then-Nevada senator Harry Reid, the program garnered at least $22 million in funding over five years (it’s not yet clear whether it survives under a different guise after its supposed termination in 2012).

Within the new stories are nuggets of curious information, including the supposed keeping of unearthly alloys at Bigelow’s facilities, and a video that reportedly shows an object spotted by two U.S. Navy pilots.

But the most that’s publicly known about the program’s findings is second-hand at best, coming from insiders relaying their impressions to reporters. Some, like Reid, claim there is compelling evidence that merits further investigation—but the details remain as elusive as the aliens.

“Objective description of any phenomena should be backed up by compelling evidence, and despite many decades of reports of various UFO and abduction phenomena, we don’t have such evidence,” says Andrew Siemion, director of the Berkeley SETI research center. “Moreover, astronomers spend their lives looking at the sky with a wide variety of telescopes and techniques, and we have never snapped a picture of [an unexplained] spaceship.”

Here are some of our previous and ongoing attempts to find out if, in fact, aliens are out there and whether we have been visited, starting with the heyday of such activities around the middle of the last century.

1947: Roswell (Project Mogul)

Easily the granddaddy of all UFO conspiracies, the Roswell incident is described by many as the catastrophic crash of an alien spaceship in the New Mexico desert, after which the U.S. government supposedly retrieved the spacecraft (and several aliens). In 1994, the Air Force released a report identifying the debris as belonging to “a once top-secret balloon operation, Project MOGUL, designed to monitor the atmosphere for evidence of Soviet nuclear tests.”

1948-1952: Projects Sign and Grudge

First Sign and then Grudge, these Air Force-funded projects were examinations of flying saucers and other reported unexplained phenomena, inspired both by the Cold War and a 1947 observation of nine “disk-shaped objects” over Washington state. According to the CIA, “GRUDGE officials found no evidence in UFO sightings of advanced foreign weapons design or development, and they concluded that UFOs did not threaten U.S. security. They recommended that the project be reduced in scope because the very existence of Air Force official interest encouraged people to believe in UFOs and contributed to a ’war hysteria’ atmosphere.”

1952-1969: Project Blue Book

A continuation of the previous two projects, Blue Book was the longest and most extensive known investigation of unexplained aerial happenings. Of the 12,618 reported sightings it investigated, most were ruled to be misidentified natural phenomena or aircraft (including early U-2 spy planes on test flights); 701 and remained unidentified. The report concluded that “No UFO reported, investigated, and evaluated by the Air Force has ever given any indication of threat to our national security; there has been no evidence submitted to or discovered by the Air Force that sightings categorized as ’unidentified’ represent technological developments or principles beyond the range of present-day scientific knowledge; there has been no evidence indicating the sightings categorized as ’unidentified’ are extraterrestrial vehicles.”

1960: Project Ozma

Funded by the National Science Foundation, a federal agency created in 1950, this $2,000 project was the first scientific search for signs of intelligent radio transmissions from other worlds. Using a telescope at the Green Bank Observatory, astronomer Frank Drake (yes, the reporter’s father) listened for radio transmissions coming from planets that could be orbiting the stars Tau Ceti and Epsilon Eridani, but the scans came up empty.

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1966-1968: University of Colorado UFO Project/Condon Committee

Funded by the Air Force, this project produced 1968’s Condon Report, which concluded that there was no compelling evidence for extraterrestrial involvement in UFOs, and which recommended discontinuing Project Blue Book and any further investigations of UFOs. The report inspired the American Association of the Advancement for Science to convene a meeting on the topic, which Carl Sagan and Thornton Page then turned into a book called UFOs: A Scientific Debate.

1970s and ‘80s: CIA Investigations of Paranormal and Psychic Phenomena

The 1970s and 1980s saw the CIA investigating a bunch of phenomena associated with UFO sightings, such as parapsychology and psychic happenings. According to CIA report “Role in the Study of UFOs, 1947-90 (A Die-Hard Issue)”, “CIA officials also looked at the UFO problem to determine what UFO sightings might tell them about Soviet progress in rockets and missiles and reviewed its counterintelligence aspects.”

1976-1993: SETI/HRMS

The only time the search for extraterrestrial intelligence, or SETI, has been written into a NASA budget line, this decade provided as much as $12 million a year for searches using the Arecibo and Goldstone antennas. Around 1990, the government’s SETI program—headquartered at NASA’s Ames Research Center—was renamed the High Resolution Microwave Survey in an attempt to avoid cancellation. Nevada senator Richard Bryan ended up cancelling the program anyway in 1993, right after actual observations had started.

1990s to now: NASA’s Astrobiology Institute

Founded in 1998, the NASA Astrobiology Institute is one of many projects within the space agency aimed at investigating the possibility that life exists elsewhere in the cosmos. Scientists under its umbrella are currently thinking about whether life once existed on Mars, if there might be organisms tucked beneath the icy shells of the moons Europa and Enceladus, and how we would even recognize what life beyond Earth looks like if and when we see it.

Now, and beyond

Other ongoing work that continues to rely on federal funds includes developing instruments capable of detecting not only exoplanets but also alien biospheres, as well as work using organisms and environments on Earth as extraterrestrial analogs.

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You can find quite a bit of information online about/from Luis Elizondo, who is pictured above. - ilan
 
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Wandering star shook up the prehistoric solar system
Jake Parks, Astronomy | Published: Tuesday, March 27, 2018

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70,000 years ago, a nomadic star came within a light-year of the Sun, likely sending dozens of comets and asteroids tumbling out of the solar system.

Around 70,000 years ago, a supervolcano named Toba erupted, blowing roughly 670 cubic miles (2,800 cubic kilometers) of vaporized rock and debris into the air. This is thought to have caused a massive struggle for humanity, ultimately leading to a population bottleneck that whittled down our numbers to as few as 1,000 reproductive adults. According to a 2015 study, during this pivotal point in human history, a small reddish star also was likely passing within a light-year of the Sun, just skimming the outer rim of the Oort cloud (the extended shell of over a trillion icy objects that is thought to cocoon the outer solar system).

Previously, astronomers believed that this wandering star — dubbed Scholz’s star — passed relatively peacefully by the Oort cloud, influencing very few (if any) outer solar system objects. But, according to a new study, researchers now think that Scholz’s star may have caused more of a ruckus than we initially gave it credit for.

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Although the star may not have triggered the volcanic activity, it is now thought to have disrupted comets and asteroids. Some activity might have been visible to our ancestors, who were struggling to understand why their world was changing so radically, killing many of their kindred. - ilan
 
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"A UFO!’: FAA recording reveals moment two pilots report unknown object flying overhead
Lindsey Bever, Washington Post | March 28 at 4:45 PM


An airline pilot was flying over the Arizona desert when he saw something strange.

The pilot, who was reportedly operating a Learjet late last month for Phoenix Air, had spotted an unfamiliar object pass overhead, so he radioed the regional air traffic control center in Albuquerque.

“Was anybody, uh, above us that passed us like 30 seconds ago?” the pilot said, according to a radio broadcast released this month by the Federal Aviation Administration.

“Negative,” an air traffic controller said.

“Okay,” the pilot said.

“Something did.” “A UFO!” someone quickly responded.“Yeah,” the pilot replied with a chuckle.

It’s still not clear what the pilot saw, although another pilot would soon report the same thing.

Although there has been no confirmation — or even serious suggestions — that the recent incident was related to an unidentified flying object (at least, not the kind portrayed in Hollywood), the U.S. government has investigated sightings over the years.

For the first time last year, the Pentagon confirmed that it had run an operation, known as the Advanced Aviation Threat Identification Program, to investigate reported UFO sightings.

In December, The Post’s Joby Warrick reported: Current and former Pentagon officials confirm that the Pentagon program has been in existence since 2007 and was formed for the purpose of collecting and analyzing a wide range of “anomalous aerospace threats” ranging from advanced aircraft fielded by traditional U.S. adversaries to commercial drones to possible alien encounters. It is a rare instance of ongoing government investigations into a UFO phenomenon that was the subject of multiple official inquiries in the 1950s and 1960s.​

Funding for the program ended in 2012, according to Warrick.

Lynn Lunsford, a spokesman for the FAA, said in a statement Wednesday to The Washington Post that the air traffic controller was “unable to verify that any other aircraft was in the area. ”But he alluded to several possibilities.

“We have a close working relationship with a number of other agencies and safely handle military aircraft and civilian aircraft of all types in that area every day, including high-altitude weather balloons,” Lunsford said in the statement.

The midair mystery in southern Arizona occurred on the afternoon of Feb. 24 at about 40,000 feet above the Sonoran Desert, according to TheDrive.Com’s War Zone.

Not long after the pilot reported his observations, the Albuquerque Air Route Traffic Control Center alerted an American Airlines flight that was flying over the area en route to San Diego.

American 1095, uh, let me know if, uh, you see anything pass over you here in the next, uh, 15 miles,” an air traffic controller said, according to the audio recording, which was obtained by The Post.

“Let you know if anything passes over us?” the pilot responded.

“American 1095, affirmative,” the controller said. “We had an aircraft in front of you … that reported something pass over him and, uh, we didn’t have any targets. So just, uh, let me know if you see anything pass over you.”

“Alright,” the pilot agreed.

Then someone, who sounded like the first pilot, chimed in again.

“I don’t know what it was,” he said. “It wasn’t an airplane, but it passed us going the opposite direction.”

Moments later, the American Airlines pilot returned to the radio to report what the other had seen.

“It’s American 1095. Yeah, something just passed over us. Uh, I don’t know what it was, but at least two-three thousand feet above us. Yeah, it passed right over the top of us.”

“Okay, American 1095. Thank you,” the controller responded.

He later asked the American Airlines pilot: “Can you tell if it was, uh, in motion or just, uh, hovering?”

The pilot said he could not “make it out — whether it was a balloon or whatnot,” but he noted that the object appeared to have a “big reflection” as it passed them overhead. He said it was traveling “several thousand feet above us, going the opposite direction.”

“Was it a Google balloon?” someone asked.

“Doubtful,” the pilot replied.

Then, someone on the radio reiterated an earlier theory: “UFO.”

American Airlines referred questions to the FAA, and Phoenix Air did not immediately respond to a request for comment.

This story has been updated.
 
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Astronomers spy runaway star in Small Magellanic Cloud
By Deborah Byrd in SPACE | March 28, 2018

The star is a rare yellow supergiant. It’s speeding across its little galaxy fast enough to travel from Los Angeles to New York in about half a minute.

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Astrophotographer Justin Ng caught the edgewise view into our Milky Way galaxy, the bright star Canopus and the Large and Small Magellanic Clouds at sunrise, in September 2013, over East Java’s Mount Bromo. Canopus is a yellow supergiant, much like the recently discovered runaway star.

Astronomers at Lowell Observatory in Flagstaff, Arizona, said on March 27, 2018 that they’ve discovered a rare runaway star in the Small Magellanic Cloud, a small satellite galaxy of our Milky Way. The star is speeding across its little galaxy at 300,000 miles per hour (500,000 km/hour). At that speed, it would take about half a minute to travel from Los Angeles to New York. The runaway star is designated J01020100-7122208, and it’s believed to have once been one of two stars orbiting around each other. Astronomers think that, when the companion star exploded as a supernova, the tremendous release of energy flung J01020100-7122208 into space at its high speed.

The star is the first runaway yellow supergiant star ever discovered, and only the second evolved runaway star to be found in another galaxy. A paper about its discovery has been accepted for publication in the peer-reviewed Astronomical Journal and is currently published online via Arxiv. A statement from Lowell Observatory said:

After ten million years of traveling through space, the star evolved into a yellow supergiant, the object that we see today. Its journey took it 1.6 degrees across the sky, about three times the diameter of the full moon. The star will continue speeding through space until it too blows up as a supernova, likely in another three million years or so. When that happens, heavier elements will be created, and the resulting supernova remnant may form new stars or even planets on the outer edge of the Small Magellanic Cloud.
 
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Iridium Satellites into Orbit
Tariq Malik, Space.com Managing Editor | March 30, 2018 11:15am ET

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A used SpaceX Falcon 9 rocket launched 10 new communications satellites into orbit from California's Vandenberg Air Force Base today (March 30) in a morning liftoff that also marked an anniversary for reusable rockets.

The Falcon 9 rocket, which first flew in October 2017, launched the fifth set of Iridium Next satellites for Iridium Communications at 10:13 a.m. EDT (1413 GMT) — exactly one year to the day after SpaceX's first used Falcon 9 rocket launch and landing. Since then, SpaceX has commonly landed the first stage of its two-stage Falcon 9 rockets and reused them on later flights.

In fact, the booster that launched today's Iridium-5 mission also launched 10 other Iridium Next satellites on Oct. 9 during SpaceX's Iridium-3 mission. And last December, Iridium became the first SpaceX customer to launch a mission on a rocket it used before when the Iridium-4 mission launched with the same booster SpaceX used to launch 10 other satellites on its Iridium-2 flight in June 2017.

"Today, this is our fifth launch for the Iridium constellation, using only three rockets," SpaceX materials engineer Michael Hammersley said during live commentary.

If that sounds like a lot of launches for Iridium to you, you're not wrong. Iridium has tapped SpaceX to launch 75 Iridium Next satellites to build up its communications constellation in orbit. To do that, Iridium has bought eight Falcon 9 launches for a total of $536 million.

In one departure from typical SpaceX launches, the company cut the live video feed from the Falcon 9 second stage about 9 minutes into the flight.

"Due to some restrictions from the National Oceanic and Atmospheric [Administration], NOAA for short, SpaceX will be intentionally ending live video coverage from the second stage just prior to engine shutdown," Hammersley said. "We're working with NOAA to address these restrictions in order to hopefully be able to bring you live views from orbit in the future."

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Update:

SpaceX tries to recover and reuse the nose cone (also known as the fairing) to reduce the price of missions. Apparently, the parafoils got tangled in the descent of the nose cone on this mission. The "fairing impacted water at high speed," according to Musk. ( I think he means it crashed.) I doubt there will be much reusable after this recovery. - ilan
 
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Is ‘Oumuamua an Interstellar Pancake?
Kelly Beatty | March 27, 2018

A new analysis of more than 800 telescopic observations suggests that our first known interstellar visitor could have the shape of a flattened disk.

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Artist's impression of ʻOumuamua

It's been about five months since Robert Weryk, observing with the PanSTARRS 1 telescope atop Haleakala on Maui, discovered the first object (other than dust particles) known to have entered our solar system from interstellar space. But 1I/‘Oumuamua, as it came to be named, zipped away from Earth too quickly to give astronomers more than a few weeks to observe it. (‘Oumuamua is a combination of two Hawai'ian words that roughly mean "the first scout," and 1I indicates the first cataloged interstellar object.)

When I reported the early findings about this surprising interloper back in December, astronomers were fixated on its slightly reddish color and its tenfold swings in brightness (up to 2½ magnitudes). Assuming that it's highly elongated, 5 to 10 times longer than its width, most researchers imagined this object pinwheeling end over end with a spin axis through its shortest dimension.

But Where Did ‘Oumuamua Come From?

Aside from puzzling out the object's shape and spin, many theorists are tackling the question of where ‘Oumuamua came from and how it got here. It came from the direction of the constellation Lyra, passing through at about 26 km (16 miles) per second. This incoming trajectory doesn't implicate any specific star as the source, but it's likely drifted through interstellar space for tens or hundreds of millions of years.

Early in our solar system's history, gravitational slingshots from the giant planets and the Sun cast countless objects (perhaps trillions of them) out into deep space, never to return. So ejection from another star system seems the most likely way that ‘Oumuamua escaped, but even then it's complicated.

We'll likely never know the real story, but astronomers have redoubled their efforts to spot other interstellar interlopers. Calculations by Aaron Do (University of Hawai'i) and two colleagues suggest interstellar escapees should average about one for every 5 cubic astronomical units of space. In other words, they conclude, "there are likely several of these objects in the inner solar system at any given time."
 
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A sun is a star at the center of an interplanetary system. Most likely, a high percentage of stars have planets orbiting them, so they are suns, too. The star at the center of our solar system is named the Sun, with a capital S. All others are called suns, with a small s.
 
Dark matter and dark energy are associated with all kinds of astronomical phenomena. If they were eliminated as an explanation for the expanding universe, they would still play a big part in a host of other theoretical explanations and indirect observations. Plus, there ain't nothing cooler than the notion of a black hole being a gateway to an alternate universe! :)
 
Too Much to Re-post :
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https://www.csmonitor.com/Science/2014/0127/Stephen-Hawking-makes-shocking-revelation-on-black-holes

Stephen Hawking makes shocking revelation on black holes

Stephen Hawking, author of 'A Brief History of Time' makes a U-turn on black holes. What goes into black holes can now escape, although in a much mangled form, he suggests. ...

Stephen Hawking's latest paper on black holes is raising some eyebrows.

In a four-page article titled "Information Preservation and Weather Forecasting for Black Holes," published through arXiv, an archive for electronic preprints of scientific papers, Dr. Hawking contradicts his earlier proposed theory over the existence of "event horizons," the proverbial point of no return surrounding a black hole.

The event horizon is a proposed boundary around a black hole. On the other side of it, the gravitational pull of the black hole is so strong that, in order to escape it, an object would have to be moving faster than the speed of light, a feat that almost all physicists agree is impossible. ...

But instead of there being event horizons, "there are however apparent horizons which persist for a period of time. This suggests that black holes should be redefined as metastable bound states of the gravitational field," writes Hawking.

These "apparent horizons" for a certain time can retain "information" that could be in the form of matter, before eventually releasing them. In other words, if Hawking is correct, black holes might not be so black after all.

But what would happen if an astronaut fell into a black hole?

Astrophysicists often use the term "spaghettification" to describe our fictional astronaut's plight. The gravitational pull of the black hole increases so rapidly that the differences between the astronaut's head and toe are so great that he gets stretched into a noodle. ...! More with the Link...
 
What Is a Black Hole?
This is part of the NASA Knows series

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Artists view of our galaxy, the Milky Way. At its center is a supermassive black hole.

A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.

Because no light can get out, people can't see black holes. They are invisible. Space telescopes with special tools can help find black holes. The special tools can see how stars that are very close to black holes act differently than other stars.

How Big Are Black Holes?
Black holes can be big or small. Scientists think the smallest black holes are as small as just one atom. These black holes are very tiny but have the mass of a large mountain. Mass is the amount of matter, or "stuff," in an object.

Another kind of black hole is called "stellar." Its mass can be up to 20 times more than the mass of the sun. There may be many, many stellar mass black holes in Earth's galaxy. Earth's galaxy is called the Milky Way.

The largest black holes are called "supermassive." These black holes have masses that are more than 1 million suns together. Scientists have found proof that every large galaxy contains a supermassive black hole at its center. The supermassive black hole at the center of the Milky Way galaxy is called Sagittarius A. It has a mass equal to about 4 million suns and would fit inside a very large ball that could hold a few million Earths.

How Do Black Holes Form?
Scientists think the smallest black holes formed when the universe began.

Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space.

Scientists think supermassive black holes were made at the same time as the galaxy they are in.

If Black Holes Are "Black," How Do Scientists Know They Are There?
A black hole can not be seen because strong gravity pulls all of the light into the middle of the black hole. But scientists can see how the strong gravity affects the stars and gas around the black hole. Scientists can study stars to find out if they are flying around, or orbiting, a black hole.

When a black hole and a star are close together, high-energy light is made. This kind of light can not be seen with human eyes. Scientists use satellites and telescopes in space to see the high-energy light.

Could a Black Hole Destroy Earth?
Black holes do not go around in space eating stars, moons and planets. Earth will not fall into a black hole because no black hole is close enough to the solar system for Earth to do that.

Even if a black hole the same mass as the sun were to take the place of the sun, Earth still would not fall in. The black hole would have the same gravity as the sun. Earth and the other planets would orbit the black hole as they orbit the sun now.

The sun will never turn into a black hole. The sun is not a big enough star to make a black hole.

How Is NASA Studying Black Holes?
NASA is using satellites and telescopes that are traveling in space to learn more about black holes. These spacecraft help scientists answer questions about the universe.
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Stephen Hawking explains Black Holes in 90 seconds


Although Hawking mentions particles can escape a Black Hole, so they're not as black as we once thought, they are still very dense and very black, and they gobble up stars and other matter. - ilan
 
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That is so science, though! Theories are works in progress. They aren't statements of fact. Theories are constantly being tweaked to better align with what is observed. Hawking has been trying to reconcile Einstein's Theory of General Relativity with the principles of modern day quantum mechanics. They often appear to be in conflict. Hawking was one of the few theoretical physicists with the intellectual horsepower to take on the challenge.
 
The weather calls for space vehicle showers tonight... :)

China's Tiangong-1 space lab will fall from the sky on Sunday evening, according to the latest estimates from the European Space Agency, or ESA.The derelict spacecraft has been slowly falling out of its original orbit for several years. It will largely, though not entirely, burn up on reentry. (If that sounds alarming, remember that space debris falls to Earth with some regularity, and has never injured a human being.)The "re-entry prediction window" from ESA has tightened significantly, to a four-hour window centered on 1 a.m. UTC on Monday. In the continental U.S., that's Sunday evening.

From NPR 1:52 ET