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NASA supercomputer finds billions of comets mimicking the Milky Way's shape: 'The universe seems to like spirals!'
Astronomers have discovered that billions of comets in an icy shell around the solar system called the Oort Cloud mimic the spiral structure of the Milky Way.
Blue Ghost orbits the moon ahead of lunar landing on Sunday
The Blue Ghost will make a soft landing on the moon on Sunday. Firefly Aerospace posted a video of the spacecraft making its ...