Researchers at MIT and elsewhere have uncovered a new “earth-sized planet orbiting a small, cool star that is expected to shine for 100 times longer than the sun,” reports Ian Sample for The Guardian. The planet is “55 light years from Earth and was detected as it passed in front of its host star, an ultra-cool red dwarf that is half as hot as the sun and 100 times less luminous,” writes Sample.
MIT astronomers have discovered an exoplanet with a density similar to cotton candy, reports Newsweek’s Jess Thomson. The planet, “named WASP-193b, is the second-least dense exoplanet ever found, with a density of around 0.059 grams per cubic centimeter, or 3.68 pounds per cubic foot,” Thomson explains. “This makes it about 7 times less dense than our neighboring planet Jupiter, despite being 50 percent larger in size, and about 1 percent the density of our own planet.”
Prof. Anna Frebel and her colleagues have identified some of the oldest stars in our universe, located in the Milky Way’s halo, a discovery that stemmed from Frebel’s new course, 8.S30 (Observational Stellar Archaeology), reports Isaac Schultz for Gizmodo. “Studying the ancient stars won’t only help explain the timeline of stellar evolution, but also how our galaxy actually formed,” Schultz explains.
An international team of astronomers, including scientists from MIT, discovered an exoplanet with an “exceedingly low density for its size,” reports Marcia Dunn for the Associated Press. The planet “is ideal for studying unconventional planetary formation and evolution,” explains Dunn.
Prof. Thomas Levenson speaks with David Chandler of Astronomy about the potential for a Planet Nine in our solar system and the soon-to-be opened Vera C. Rubin Observatory in Chile. “With the right observatory, we can see things that will help us confirm or deny, “says Levenson, “and that observatory is almost at hand, it’s just set to go, and that’s very exciting.”
MIT researchers have “discovered hitherto unknown space molecule while investigating a relatively nearby region of intense star birth,” reports Robert Lea for Space.com. This discovery “revealed the presence of a complex molecule known as 2-methoxyethanol, which had never been seen before in the natural world, though its properties had been simulated in labs on Earth,” writes Lea.
Researchers at MIT have discovered that a previously witnessed supermassive black hole has “a smaller companion black hole zipping around it, kicking up dust every time it goes by,” reports John Wenz for Astronomy. This discovery “shakes up our thinking of what the environment at the core of the galaxy looks like,” explains Wenz. “Instead of a simple disk of matter surrounding the central black hole, steadily swirling across its event horizon, the centers of galaxies could host multiple black holes of different sizes, leading to more complex feeding behavior.”
Astronomers from MIT and other institutions have found that periodic eruptions from a supermassive black hole located in a galaxy about 800 million light-years from Earth could be caused by a, “second, smaller black hole slamming into a disk of gas and dust, or ‘accretion disk,’ surrounding the supermassive black hole, causing it to repeatedly ‘hiccup’ out matter,” writes Rob Lea for Space.com.
Using the James Webb Space Telescope, postdoc Rohan Naidu will be studying “some of the particularly large and red galaxies, [called little red dots,] that appear much brighter and more massive than theorists have expected galaxies at this epoch to be,” reports Jonathan O’Callaghan for Scientific American. Naidu’s “program will seek to settle the debat about little red dots once and for all,” writes O’Callaghan.
Christina “Chris” Birch PhD '15 is among NASA’s newest class of astronauts, reports Norah O’Donnell for CBS Evening News. “These new astronauts could one day be part of the team that brings the first woman and first person of color to the surface of the moon and beyond.”
Senior Research Scientist Lisa Barsotti speaks with MIT Technology Review reporter Sophia Chen about how she and her colleagues developed a new device that uses quantum squeezing to help the LIGO detectors identify more celestial events, such as black hole mergers and neutron star collisions. “With these latest squeezing innovations, installed last year, the collaboration expects to detect gravitational waves up to 65% more frequently than before,” Chen explains.
Prof. Danielle Wood speaks with Science Friday guest host Sophie Bushwick about the importance of space law and the rules of space. “One of the things that is so helpful to think about when trying to define space law is the fact that space law, in many ways, happens at the national level and is negotiated at the international level, so we can say that the United States has both ratified and signed the outer space treaty which means it is also U.S law,” explains Wood. “I think that’s really key to keeping track of what it means for international law to be binding and I think that’s key to saying space law is meaningful especially because countries make it domestic law.”
Prof. Danielle Wood speaks with Science news intern Sean Cummings about how space exploration and research can benefit everyone. “It’s great to think about what it means for space to benefit everyone,” says Wood. “I think there are two dimensions to ask: I would first ask ‘how could I redesign space systems that were not designed for everyone but could be fixed to make them more effective?’ and the second would be ‘what about the new things we haven’t built yet?’”
Prof. Paulo Lozano speaks with Kaity Kline of NPR’s Morning Edition about the space stations of the future and how NASA collaborating with private companies on the development of the next iteration of the International Space Station could spur new technological advancements. “Once you have entrepreneurship and you have a commercial interest, that accelerates technology development,” says Lozano.
Prof. Erin Kara speaks with Quanta Magazine reporter Michael Greshko about her career as an observational astrophysicist and her work to better understand how black holes behave and reshape galaxies across the universe. “The thing that really got me excited about pursuing astronomy was the discovery aspect: It was just super thrilling to be the first person to look at light that was released from around a black hole a billion years ago,” says Kara.