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Astronomy and astrophysics

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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.

Forbes

Prof. Richard Binzel speaks with Forbes reporter Jamie Carter about how astronomers are working to determine the trajectory of asteroid 2024 YR4. “Eventually, we expect the probability to fall to zero and reach Torino Scale 0 (all clear!),” says Binzel. “The uncertainty region, which looks like a long spaghetti of fettuccine string, shrinks as we get tracking data over a longer and longer piece of the asteroid’s orbit.”

CBS Boston

Prof. Richard Binzel, creator of the Torino scale that NASA uses to measure the threat of incoming objects, speaks with Brandon Truitt of CBS Boston about his quest to track 2024 YR4, an asteroid that astronomers are closely monitoring to see how close it might come to Earth in 2032. “As we get more and more measurements, we keep tracking the asteroid, that uncertainty window, that broad range of where it could go it's going to shrink and shrink," says Binzel. "Until the Earth falls outside of that pathway, we're going to see these probabilities bounce around."

CNN

Prof. Richard Binzel speaks with CNN reporter Ashley Strickland about the trajectory of asteroid 2024 YR4. “YR4 presents a challenge because it is small and headed away. Telescopes on the ground can track it for a few more months. Then we’ll call (the James Webb Space Telescope) into service to track it even further, if needed,” says Binzel. “While certainty for 2024 YR4 missing the Earth is the outcome we expect, it’s not up to us. It’s for nature to decided. In fact, nature already has settled the question. We just don’t know that answer yet. That’s why our tracking efforts continue.”

NBC Boston

Prof. Richard Binzel, Prof. Julien de Wit, and Research Scientist Artem Burdanov speak with NBC 10 Boston reporter Matt Fortin about their new asteroid-detecting method that will be used to track the newly discovered asteroid 2024 YR4 and help protect Earth. “By refining and applying their technique, my colleagues [de Wit and Burdanov] have basically turned the JWST into the most capable asteroid-tracking system in history,” explains Binzel.