This NASA image shows NGC 5194. M51's stretch of over 60,000 light-years dwarf its companion galaxy, NGC 5195. Credit: Hubble Space Telescope, NASA.

This NASA image shows NGC 5194. M51's stretch of over 60,000 light-years dwarf its companion galaxy, NGC 5195. Credit: Hubble Space Telescope, NASA.

NASA  4) Butterfly Nebula (NGC 6302) Located in the constellation Scorpius, the structure of this nebula is one of the most fragile and complex that has ever been studied. The butterfly shape has lead scientists to name it's structure a "bipolar structure."

NASA 4) Butterfly Nebula (NGC 6302) Located in the constellation Scorpius, the structure of this nebula is one of the most fragile and complex that has ever been studied. The butterfly shape has lead scientists to name it's structure a "bipolar structure."

This NASA image shows NGC 5194. M51's stretch of over 60,000 light-years dwarf its companion galaxy, NGC 5195. Credit: Hubble Space Telescope, NASA.

This NASA image shows NGC 5194. M51's stretch of over 60,000 light-years dwarf its companion galaxy, NGC 5195. Credit: Hubble Space Telescope, NASA.

This star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star's remaining core.

This star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star's remaining core.

An amazing northern lights photo from space showing the ring around the earth where the aurora is most prominent.

An amazing northern lights photo from space showing the ring around the earth where the aurora is most prominent.

Cat's eye nebula, NASA Hubble image. I want to dance under the stars in the eyes of God.

Cat's eye nebula, NASA Hubble image. I want to dance under the stars in the eyes of God.

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.

Mercury: The images were created using a mosaic of pictures from Nasa's messenger spacecraft, which were then combined to create a video 'flyby' of the planet. 2013

Mercury: The images were created using a mosaic of pictures from Nasa's messenger spacecraft, which were then combined to create a video 'flyby' of the planet. 2013

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