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A light year is an incredible 9.5 trillion km! Bite-sized, mind blowing space facts about the Universe and the cosmos. Whether you're new to astronomy / astrophysics or not, check us out @ https://www.instagram.com/thespacekiosk/ Image: NASA

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NGC 6188 is an emission #nebula located about 4,000 light years away in the constellation Ara. @Katie Hrubec #space:

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Exotic Double-Ring Galaxy "blue Ring Around an Ancient Red Core" Approximately 359 million light-years away from Earth, there is a galaxy with an innocuous name (PGC 1000714) that doesn't look quite like anything astronomers have observed before-Hoag's Galaxy

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Located about 130 million light-years away, NGC 4650A is one of only 100 known polar-ring galaxies.

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Flaming star nebula lies 1500 light years distant, spans about 5 light years, and is visible with a small telescope toward the constellation of the charioteer (auriga).

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Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting - YouTube

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Thor’s Helmet Nebula - NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 15,000 light-years away and 30 light years in size. The central star is the Wolf-Rayet star HD 56925, an extremely hot giant thought to be in a brief, pre-supernova stage of evolution

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The star Mira, with its 13-light-year-long tail, zips through the galaxy at 291,000 miles per hour! This image was made from several Galaxy Evolution Explorer images put together into a mosaic.

The star Mira, with its 13-light-year-long tail, zips through the galaxy at 291,000 miles per hour! This image was made from several Galaxy Evolution Explorer images put together into a mosaic.

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NGC 3314 is a pair of overlapping spiral galaxies between 117-140 million light years away in the constellation Hydra.

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