The ULLYSES program studied two types of young stars: super-hot, massive, blue stars and cooler, redder, less massive stars than our Sun. The top panel is a Hubble Space Telescope…
Category: Planetary Science
Research unlocks supernova stardust secrets
Cassiopeia A is a supernova remnant in the constellation Cassiopeia. Credit: NASA/CXC/SAO Curtin University-led research has discovered a rare dust particle trapped in an ancient extra-terrestrial meteorite that was formed…
Sleeping supermassive black holes awakened briefly by shredded stars
This image, taken by the Very Long Baseline Array (VLBA), shows two supermassive black holes, which appear as the blobs with red strips. The black holes are in the center…
Tiniest ‘starquakes’ ever detected
Artist ‘s impression of sound waves (p modes), with different frequencies, traveling across the inner layers of a star. Credit: Tania Cunha (Planetário do Porto—Centro Ciência Viva)/Instituto de Astrofísica e…
Planet cannibalism is common, says cosmic ‘twin study’
Credit: Intouchable / Openverse How stable are planetary systems? Will Earth and its seven siblings always continue in their steady celestial paths, or might we one day be randomly ejected…
Dark matter may form exploding stars, and observing the damage could help reveal what it’s made of
Dark matter is a ghostly substance that astronomers have failed to detect for decades, yet which we know has an enormous influence on normal matter in the universe, such as…
Astronomers find evidence that blue supergiant stars can be formed by the merger of two stars
Artistic image of a binary system of a red giant star and a younger companion that can merge to produce a blue supergiant. Credit: Casey Reed, NASA An international piece…
Heat to blame for space pebble demise
This meteoroid broke up by thermal stresses just before entering Earth’s atmosphere, creating a cluster of meteors over Norway on October 30, 2022, recorded by Allsky7 station AMS119 operated by…
Key test drive of Orion on NASA’s Artemis II to aid future missions
Credit: NASA Astronauts will test drive NASA’s Orion spacecraft for the first time during the agency’s Artemis II test flight next year. While many of the spacecraft’s maneuvers like big…
