earth19 小时
Andromeda galaxy shows signs of violent past collisions
Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...
Indian Defence Review17 小时
The Great Comet of 2025 and Other Stunning Space Images of the Week
Astronomers have captured a rare final glimpse of Comet C/2024 G3 (ATLAS) before it vanishes for half a million years.