The Andromeda Galaxy - It is 2 million light years away from us.so what we see now is how it appeared 2 million years ago. It will collide with our Milky Way in 2 billions years from now - the two galaxies are heading towards each other at a rate of 430
The visible space is big, complex and can be incredibly beautiful.The sky (or celestial dome) is everything that lies a certain distance above the surface of the Earth, including the atmosphere and outer space.
Thor's Helmet nebula is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. The central star is an extremely hot giant Wolf-Rayet star, though
NGC 3314 - a pair of overlapping spiral galaxie in the constellation Hydra. The foreground galaxy, NGC is about 117 mly away. The background galaxy, NGC is about 149 mly away. The two components of NGC 3314 are physically unrelated.
A rose made of galaxies *This image of a pair of interacting galaxies called Arp 273 was released to celebrate the anniversary of the launch of the NASA/ESA Hubble Space Telescope. Credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)