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APOD·cat » Apareix el cometa Catalina

APOD·cat » Apareix el cometa Catalina

By Tyler Skrabek. Uranus, the 7th planet from the sun, spins on its side. It is 2.57 billion km away from earth.

By Tyler Skrabek. Uranus, the 7th planet from the sun, spins on its side. It is 2.57 billion km away from earth.

A new view of the famous Horsehead Nebula taken by the Hubble Space Telescope in infrared wavelengths. The nebula, shadowy in optical light, appears transparent and ethereal when seen in the infrared, represented here with visible shades.

A new view of the famous Horsehead Nebula taken by the Hubble Space Telescope in infrared wavelengths. The nebula, shadowy in optical light, appears transparent and ethereal when seen in the infrared, represented here with visible shades.

Hickson Compact Group 92, taken from Nasa's Hubble Space Telescope. Otherwise known as Stephan's Quintet, refers to a group of five galaxies.

Hickson Compact Group 92, taken from Nasa's Hubble Space Telescope. Otherwise known as Stephan's Quintet, refers to a group of five galaxies.

The Crab Nebula (M1) ~ The first object on Charles Messier's famous 18th century list of things which are not comets. In fact, the Crab is now known to be a supernova remnant, debris from the death explosion of a massive star, witnessed and recorded by astronomers in the year 1054. This sharp, ground-based telescopic view uses narrowband data to track emission from ionized oxygen and hydrogen atoms (in blue and red) and explore the tangled filaments within the still expanding cloud.

The Crab Nebula (M1) ~ The first object on Charles Messier's famous 18th century list of things which are not comets. In fact, the Crab is now known to be a supernova remnant, debris from the death explosion of a massive star, witnessed and recorded by astronomers in the year 1054. This sharp, ground-based telescopic view uses narrowband data to track emission from ionized oxygen and hydrogen atoms (in blue and red) and explore the tangled filaments within the still expanding cloud.

The Orion Nebula, part and parcel. This is beyond the dreams of even the greatest of painters.

The Orion Nebula, part and parcel. This is beyond the dreams of even the greatest of painters.

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