Explore Whirlpool Galaxy, Spiral Galaxy and more!

The Whirlpool Galaxy (M51A or NGC 5194) and (M51B or NGC 5195, left). The Whirlpool Galaxy is a grand-design spiral galaxy, interacting with NGC 5195, a dwarg galxy. Both galaxies are located 23 ± 4 million light-years away in Canes Venatici.

The Whirlpool Galaxy (M51A or NGC 5194) and (M51B or NGC 5195, left). The Whirlpool Galaxy is a grand-design spiral galaxy, interacting with NGC 5195, a dwarg galxy. Both galaxies are located 23 ± 4 million light-years away in Canes Venatici.

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 four-color view of the Whirlpool Galaxy was taken before Spitzer ran out of coolant. Combined with a visible-light photo taken by the Kitt Peak National Observatory, the picture highlights that the drastically different galaxies are merging. "In visible light, that's not quite apparent. The infrared really shows it, though, as a red galaxy and a blue galaxy," Smith said, noting that studying such galaxy collisions was a primary goal of Spitzer.

This four-color view of the Whirlpool Galaxy was taken before Spitzer ran out of coolant. Combined with a visible-light photo taken by the Kitt Peak National Observatory, the picture highlights that the drastically different galaxies are merging. "In visible light, that's not quite apparent. The infrared really shows it, though, as a red galaxy and a blue galaxy," Smith said, noting that studying such galaxy collisions was a primary goal of Spitzer.

This four-color view of the Whirlpool Galaxy was taken before Spitzer ran out of coolant. Combined with a visible-light photo taken by the Kitt Peak National Observatory, the picture highlights that the drastically different galaxies are merging. "In visible light, that's not quite apparent. The infrared really shows it, though, as a red galaxy and a blue galaxy," Smith said, noting that studying such galaxy collisions was a primary goal of Spitzer.

This four-color view of the Whirlpool Galaxy was taken before Spitzer ran out of coolant. Combined with a visible-light photo taken by the Kitt Peak National Observatory, the picture highlights that the drastically different galaxies are merging. "In visible light, that's not quite apparent. The infrared really shows it, though, as a red galaxy and a blue galaxy," Smith said, noting that studying such galaxy collisions was a primary goal of Spitzer.

Wormhole black hole | Twisting tornado funnel Swirling water vortex

Wormhole black hole | Twisting tornado funnel Swirling water vortex

This image by NASA's Hubble Space Telescope shows a face-on view of the Whirlpool Galaxy (M51). Taken in visible light, it highlights the attributes of a typical spiral galaxy, including graceful, curving arms, pink star-forming regions, and brilliant blue strands of star clusters.

This image by NASA's Hubble Space Telescope shows a face-on view of the Whirlpool Galaxy (M51). Taken in visible light, it highlights the attributes of a typical spiral galaxy, including graceful, curving arms, pink star-forming regions, and brilliant blue strands of star clusters.

Galaxy Arp 273~Arp 273 is a group of interacting galaxies, lying 300 million light years away in the constellation Andromeda. It was first described in the Atlas of Peculiar Galaxies, compiled by Halton Arp in 1966

Galaxy Arp 273~Arp 273 is a group of interacting galaxies, lying 300 million light years away in the constellation Andromeda. It was first described in the Atlas of Peculiar Galaxies, compiled by Halton Arp in 1966

Image of the Day: Black Hole "Mine Field" Lights Up a Spectacular Galaxy- The galaxy is officially named Messier 51 (M51) or NGC 5194, but often goes by its nickname of the "Whirlpool Galaxy." Chandra

Image of the Day: Black Hole "Mine Field" Lights Up a Spectacular Galaxy- The galaxy is officially named Messier 51 (M51) or NGC 5194, but often goes by its nickname of the "Whirlpool Galaxy." Chandra

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