More ideas from cerulli
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Clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.

Pulsar: "Black Widow," is moving through the galaxy at a speed of almost a million kilometers per hour. A bow shock wave due to this motion is visible to optical telescopes, shown in this image as the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.

The “Black Widow” pulsar moves at a speed of KM/hr. A bow shock wave is the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.

NGC 891 is a spiral galaxy located about 24 million light years away towards the constellation Andromeda. It spans about 100 thousand light years and is oriented edge on to our perspective from Earth. This image shows the galaxy in infrared.

Like a rift opening in time and space, the bright infrared glow of the spiral galaxy NGC which we see edge-on from Earth, seems to slash across the sky in a new picture from NASA's Spitzer Space Telescope. Or a vagina. Or the eye of Sauran.