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Hubble's Double Take

In this new Hubble image two objects are clearly visible, shining brightly. When they were first discovered in 1979, they were thought to be separate objects — however, astronomers soon realized that these twins are a little too identical! They are close together, lie at the same distance from us, and have surprisingly similar properties. The reason they are so similar is not some bizarre coincidence; they are in fact the same object.

Black Hole-Powered Jets Plow Into Galaxy

A supermassive black hole at the center of a galaxy, far, far away... (~850 million light years from Earth). NASA - Black Hole

Hubble Team Finds Monster "El Gordo" Galaxy Cluster Bigger Than Thought

The Earth just became an even smaller grain of sand... #Hubble image of the most massive cluster of galaxies ever seen to exist #NASA

Hubble Sees an Ancient Globular Cluster

Hubble Sees an Ancient Globular Cluster This image captures the stunning NGC 6535, a globular cluster 22,000 light-years away in the constellation of Serpens (The Serpent) that measures one light-year across.

The Remarkable Remains of a Recent Supernova

The Remarkable Remains of Supernova Remnant G1.9+0.3, about 28,000 ly from Earth near the center of the Milky Way. Chandra

Hubble Eyes Galaxy as Flat as a Pancake

From Nasa: Located some 25 million light-years away, this new Hubble image shows spiral galaxy ESO 373-8. Together with at least seven of its galactic neighbors, this galaxy is a member of the NGC 2997 group. We see it side-on as a thin, glittering streak across the sky, with all its contents neatly aligned in the same plane.

Bursting with stars: Markarian 209, a blue compact dwarf galaxy, is captured in the middle of an int

Bursting with stars: Markarian 209, a blue compact dwarf galaxy, is captured in the middle of an intense burst of star formation, as seen in the light blue cloudy region in the top right corner. The dominant population of stars is under 3 million years old, compared with our 4.6 billion year-old sun. [Hubble/ESA]

Hubble Sees the Beautiful Side of Galaxy IC 335

Hubble Sees the Beautiful Side of Galaxy IC 335 as seen in front of a backdrop of distant galaxies. IC 335 is part of a galaxy group containing three other galaxies, and located in the Fornax Galaxy Cluster 60 million light-years away.

Hubble Looks at Light and Dark in the Universe

Located in the constellation of Perseus, this star is in the early stages of its life and is still forming into a fully-grown star.

Close Encounters: Comet Siding Spring Seen Next to Mars

This composite NASA Hubble Space Telescope Image captures the positions of comet Siding Spring and Mars in a never-before-seen close passage of a comet by the Red Planet