This composite colour image of NGC 7027 is among the first data of a planetary nebula taken with NICMOS. This picture is actually composed of three separate images taken at different wavelengths. The red colour represents cool molecular hydrogen gas, the most abundant gas in the universe. Name: NGC 7027 Type: Milky Way : Nebula : Type : Planetary Distance: 3000 light years Constellation: Cygnus Category: Nebulae
The Whirlpool Galaxy, a classic spiral galaxy, is pictured in this NASA handout photo. At only 30 million light years distant and fully 60 thousand light years across, also known as NGC is one of the brightest and most picturesque galaxies on the sky.
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This is a composite image of the brightest supernova remnant in optical light in the Large Magellanic Cloud. The Chandra X-ray image (blue) shows million-degree gas in the center. Much cooler gas at the outer parts of the remnant is seen in.