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“Hubble”

These massive stars could explain Webb’s strangest galaxies

Hubble observations of massive stars in metal-poor dwarf galaxies are revealing clues to why the early universe looks so unusual. Researchers found that stellar winds weaken sharply at extremely low metallicities, potentially allowing massive stars to retain more material and evo

All Top News -- ScienceDaily · 2026年9月24日 10:42

科学与环境

NASA just powered up Roman’s massive 300-megapixel camera

NASA’s Roman Space Telescope has successfully activated its 300-megapixel infrared camera, which will capture enormous stretches of the cosmos with Hubble-like sharpness. Its planet-hunting coronagraph is also working as expected, putting Roman another major step closer to beginn

All Top News -- ScienceDaily · 2026年9月21日 12:10