Panorama of Andromeda galaxy unveils hundreds of millions of stars
In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...
NASA celebrates Edwin Hubble's discovery of a new universe
For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...