M31: The Andromeda Galaxy.The nearest major galaxy to our own Milky Way Galaxy. Our Galaxy is thought to look much like Andromeda. Together these two galaxies dominate the Local Group of galaxies. The diffuse light from Andromeda is caused by the hundreds of billions of stars that compose it. The several distinct stars that surround Andromeda's image are actually stars in our Galaxy.Although visible without aid is so distant it takes about two million years for light to reach us from there.
Images of Black Holes NASA | Energy Emerges From Black Holes
Snowscape With Aurora Borealis Surreal Play Of Colors In Norway Stock Photo 135558321
Image courtesy SDO/NASA Huge loops of plasma—superheated, charged gas—rise from an active region on the sun in a newly released picture from NASA's Solar Dynamics Observatory. Each loop is as tall as several Earths stacked on top of each other.