This image comes from a very deep Chandra observation of the Tycho supernova remnant. Low-energy X-rays (red) in the image show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave, a shell of extremely energetic
A full-disk multiwavelength extreme ultraviolet image of the sun taken by SDO on March False colors trace different gas temperatures. Reds are relatively cool (about Kelvin, or F); blues and greens are hotter (greater than 1 million Kelvin, or F).
This infrared image from NASA's Spitzer Space Telescope shows the Helix nebula, a cosmic starlet often photographed by amateur astronomers for its vivid colors and eerie resemblance to a giant eye. 36 / 40 Photo by Comets Kick up Dust in Helix Nebula;
This Nasa image captured on April shows baby stars creating chaos light-years away in the cosmic cloud of the Orion Nebula. Four massive stars make up the bright yellow area in the center of this false-color image for the Spitzer Space Telescope.
The caterpillar-shaped knot, called IRAS is a protostar in a very early evolutionary stage. It is still in the process of collecting material from an envelope of gas surrounding it. The object lies light-years away in the constellation Cygnus
Milky Way. Every star we see in the sky is part of the Milky Way, but a brighter center exists some light-years away. The Milky Way is about light-years in diameter and contains 200 to 400 billion stars.