Images of Circumnuclear Ring (CNR) at the center of the Milky Way Galaxy.
Composite image shows solar-type stars under Small Magellanic Cloud wing.
Image from Hubble Space Telescope shows close encounters between galaxies.
Chandra X-ray data shows a hot gas cloud caused by colliding galaxies.
Artist's concept depicts Voyager 1 entering the interstellar medium.
Composite image of the giant barred spiral galaxy NGC 6872.
Andromeda galaxy as observed by the Hubble Space Telescope.
Diagrams show super-Earth-size planets discovered by Kepler.
Planck space telescope image of the oldest light in the universe.
Image comparison shows four protostars observed by Herschel Observatory.
Image of Milky Way made with data from the 2MASS project.