RSS feed source: National Science Foundation
A research team led by the recipient of a U.S. National Science Foundation Faculty Early Career Development grant used computer simulations to determine that white dwarf stars have greater potential to host habitable planets than previously realized. The team concluded that many more stars in the Milky Way galaxy might be home to planets that could support life.
There are approximately 10 billion white dwarf stars in the Milky Way. Because such stars are colder than others, scientists have thought they likely would not support habitable exoplanets. Led by Aomawa Shields, a University of California, Irvine professor of physics and astronomy, researchers used a supercomputer provided by the NSF National Center for Atmospheric Research in Boulder, Colorado, to simulate conditions on a theoretical rocky planet orbiting a white dwarf. Using data from real exoplanets orbiting the non-white dwarf star Kepler-62, the researchers found that their simulated rocky planet could have liquid water if it closely orbited a white dwarf and had certain rotational characteristics. Their findings were published in The Astrophysical Journal.
“Not much consideration has been given to these stars’ ability to host habitable exoplanets,” says Shields. “Our computer simulations suggest that if rocky planets exist in their orbits, these planets could have more habitable real estate on their surfaces than previously thought.”
RSS feed source: National Science Foundation
Time2025-04-16 17:35:25 UTC2025-04-16 17:35:25 UTC at epicenterLocation33.840°S 179.458°WDepth55.78 km (34.66 mi)
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RSS feed source: National Science Foundation
A bioreactor that mimics a circulatory system can deliver nutrients and oxygen to artificial tissue, enabling the production of over 10 grams of chicken muscle for cultured meat applications.
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RSS feed source: National Science Foundation
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