Remember summer evenings lying in the grass looking up at the moon? I have done this so many times that, if I can remember, I can guess exactly where the moon will appear each night, once again, only if I choose to remember.
This artist's impression shows how the Arches star cluster appears from deep inside the hub of our Milky Way Galaxy. Hidden from our direct view, the massive cluster lies light-years away and is the densest known gathering of young stars in our galaxy.
"Rho Ophiuchus Nebula" Complex - Dark Nebulae Is Where Lanes Of Obscuring Dust Hide Background Stars.Blue Reflection Nebulae Is Where The Dust Is Illuminated By Nearby Stars.Red Emission Nebulae Is Where Hot Hydrogen Gas Is Glowing