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Astronomy and astrophysics

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The Boston Globe

Researchers at MIT, including postdoctoral associate Marc Hon and research scientist Avi Shporer, have discovered a new disintegrating planet approximately 140 light-years away from Earth, reports Sarah Mesdjian for The Boston Globe. “The planet got so close to its star that the heat started evaporating its surface,” says Shporer. “The planet is not big enough to hold onto that material with its gravity.”

Xinhuanet

MIT astronomers have discovered a planet disintegrating at a rapid pace, reports Xinhua. “Roughly the size of Mercury, the planet orbits its host star at an extremely close distance - about 20 times closer than Mercury is to the Sun - completing a full orbit every 30.5 hours,” explains Xinhua. “Due to this intense proximity, researchers believe the planet is likely covered in molten magma, which is vaporizing and streaming into space.” 

Popular Science

MIT researchers have uncovered BD+05 4868 Ab, “a planet that is disintegrating into boiling chunks of rock and evaporating minerals,” reports Andrew Paul for Popular Science. “Astronomers have only identified three disintegrating planets before BD+05 4868 Ab, all of which were detected over a decade ago using data collected by NASA’s Kepler Space Telescope,” explains Paul. “The newest find is the most violent example yet, with the longest tail and deepest transits of the four known examples.”

Newsweek

Astronomers at MIT have discovered a rapidly disintegrating planet “with a comet-like tail,” reports Ian Randall for Newsweek. “The planet is orbiting so close to its star that researchers estimate it has a surface temperature around 3,000 degrees Fahrenheit, giving it a molten surface that is boiling off material into space, where this cools to form a long, dusty tail,” explains Randall. 

Gizmodo

Gizmodo reporter Issac Schultz writes that researchers, including MIT astronomers, have found that a sudden brightening from a star about 12,000 light-years away was caused by a Jupiter-sized planet “doomed by a slow orbital death spiral.” Using NASA’s James Webb Space Telescope, the astronomers found that the “unfortunate, roughly-Jupiter-sized planet was orbiting way too close for comfort—closer to its host star than Mercury is to our Sun. Over millions of years, that orbit shrank until the planet skimmed the star’s atmosphere.”

Newsweek

Astronomers from MIT and other institutions have discovered a “supermassive black hole that appears to be ‘waking up’ after being inactive for decades,” reports Soo Kim for Newsweek. “The black hole at the heart of SDSS1335+0728—a distant galaxy 300 million light-years away—was found to have produced flashes of light known as quasi-periodic eruptions (QPEs),” Kim explains, adding that the “the bursts of X-rays from Ansky were found to be 10 times longer and 10 times more luminous than what we see from a typical QPE.” 

Popular Science

Popular Science reporter Andrew Paul writes that a team of astronomers, including MIT scientists, has been studying a black hole dubbed Ansky that is in the process of waking up. Paul notes that what the researchers have documented "challenges prevailing theories about black hole lifecycles.” Graduate student Joheen Chakraborty explains: “The bursts of X-rays from Ansky are ten times longer and ten times more luminous than what we see from a typical QPE. Each of these eruptions is releasing a hundred times more energy than we have seen elsewhere. Ansky’s eruptions also show the longest cadence ever observed, of about 4.5 days.”

Newsweek

Astronomers from MIT and other institutions have discovered a “population of previously hidden galaxies that could shake up astrophysics,” reports Ian Randall for Newsweek. “If confirmed, this new population would effectively break all of our current models of galaxy numbers and evolution,” says graduate student Thomas Varnish. 

Chronicle

Chronicle visits MIT to learn more about how the Institute “nurtures groundbreaking efforts, reminding us that creativity and science thrive together, inspiring future advancements in engineering, medicine, and beyond.” Prof. Julien de Wit and Research Scientist Artem Burdanov discuss their planetary defense efforts aimed at identifying small asteroids that could pose a threat to Earth, and Prof. Canan Dağdeviren demonstrates her work developing ultrasound devices to detect the earliest stages of breast cancer. Host Anthony Everett notes that: “Big ideas have a way of breaking out of conventional boundaries, just part of what makes MIT one giant laboratory of groundbreaking ideas."

Forbes

Prof. Sara Seager, postdoctoral fellow Iaroslav Iakubivskyi and Claire Isabel Webb PhD '20 have designed Phainoterra, an imaginary planet “with a habitable sulfuric acid-based biochemistry” using “extensive scientific research and cross-checking against known physical precepts,” reports Leslie Katz for Forbes. The creation of Phainoterra is a part of “Proxima Kosmos, a new project that unites scientists, including one from NASA, with designers and sci-fi writers to create a speculative solar system consistent with the laws of astronomy and physics.” 

The Naked Scientists

Prof. Richard Binzel speaks with The Naked Scientists host Chris Smith about near-earth objects (NEOs). “It’s the appearance that will distinguish what we call an asteroid and what we call a comet,” explains Binzel. “If it looks like a tiny little star, or star-like, it's an asteroid. But if it's fuzzy, we call it a comet. But generally speaking, they have two different origins. Asteroids tend to come in from the asteroid belt, which is between Mars and Jupiter. And comets tend to come from way out in the far reaches of our Solar System.”

Salon

Prof. Richard Binzel speaks with Salon reporter Matthew Rosza about his work creating the Torino Impact Hazard Scale, which measures the threat posed by space rocks. Previous measurements expressed “themselves in different ways, and that could be very confusing to the public,” says Binzel. “This was the motivation for finding a common communication system, a common scale that we could put into context any newly discovered object.” 

CNN

Prof. Richard Binzel discusses how the risk posed by asteroid 2024 YR4 has now been significantly reduced based off new information gathered on the asteroid’s trajectory, reports Ashley Strickland for CNN. The rapid de-escalation in risk is thanks to the “unsung, meticulous work by astronomers” who conducted a steady stream of follow-up observations of the space rock using telescopes across the globe,” Binzel explains. “I’m pleasantly surprised that we could reduce the probability numbers so quickly.” 

Bloomberg

Prof. Richard Binzel speaks with Bloomberg reporter F.D. Flam about tracking asteroid 2024 YR4. “It might seem like things are getting more dangerous or more scary, but what's really happening is we're making ourselves more and more secure,” says Binzel. 

NBC News

Prof. Richard Binzel speaks with NBC News reporter Denise Chow about the Torino scale, a method he developed for categorizing the risks posed by near-Earth objects. “The idea was to be as transparent as possible about what astronomers know,” says Binzel of the idea behind the scale.