Gravitational wave detector LIGO is back online after 3 years of upgrades – how the world's most sensitive yardstick reveals secrets of the universe
Upgrades to the hardware and software of the advanced observatory should allow astrophysicists to detect much fainter gravitational waves than before.
Chad Hanna, Professor of Physics, Penn State •
conversation
May 22, 2023 • ~10 min
May 22, 2023 • ~10 min
Astronomers just saw a star eat a planet – an astrophysicist on the team explains the first-of-its-kind discovery
Stars begin to expand when they run out of fuel and can become thousands of times larger, consuming any planets in the way. For the first time, astronomers have witnessed one such event.
Morgan MacLeod, Postdoctoral Fellow in Theoretical Astrophysics, Harvard University •
conversation
May 10, 2023 • ~8 min
May 10, 2023 • ~8 min
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