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News
NASA???s next major telescope might see alien oceans and rainbows
5+ day, 1+ hour ago (415+ words) A NASA telescope in early development should be able to detect light bouncing off the surface of oceans on alien planets, vital information in the hunt for alien life. The Habitable Worlds Observatory is currently earmarked for launch in the…...
Astronomers can identify water vapour, carbon dioxide and even oxygen across light-years—but nitrogen, despite filling 78 per cent of Earth’s atmosphere, is exceptionally difficult to see because N₂ lacks the strong infrared fingerprint of most gases. Only the faint signal created when nitrogen molecules collide gives it away.
1+ week, 4+ day ago (1225+ words) N₂ dominates Earth’s air yet lacks the strong infrared bands used to identify many gases. Its best remote clue is a pressure-sensitive absorption near 4.15 micrometres, created briefly when nitrogen molecules collide....
Webb Traced Two “Dyson Sphere” Signals to Hidden Background Galaxies
1+ week, 6+ day ago (447+ words) Two stars once considered promising Dyson sphere candidates have now been removed from the list. Follow-up observations with NASA’s James Webb Space Telescope showed that the infrared glow did not come from enormous artificial structures around the stars. It came…...
JWST Reveals a Race Against Time
2+ week, 6+ day ago (794+ words) SETI Institute scientist Uma Gorti co-authors one of the largest JWST studies of how planet-forming disks lose their gas A representation of a young star surrounded by a protoplanetary disk of gas and dust. The winds from the center represent…...