The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars ... explained. "The full mosaic was carried out under two Hubble programs. In total, it required over 1,000 ...

Stars that lie between 150 to 300 light-years away appear in the mosaic as tiny dots of light, representing roughly 0.1% of the full sky that surrounds Europa Clipper. The four brightest stars ...