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More Images of Whirlpool Galaxy (M51)
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Multipanel Images of Whirlpool Galaxy (M51)
A composite image of M51, also known as the Whirlpool Galaxy, shows a majestic spiral galaxy. Chandra finds point-like X-ray sources (purple) that are black holes and neutron stars in binary star systems, along with a diffuse glow of hot gas. Data from Hubble (green) and Spitzer (red) both highlight long lanes of stars and gas laced with dust. A view of M51 with GALEX shows hot, young stars that produce lots of ultraviolet energy (blue).
(Credit: X-ray: NASA/CXC/Wesleyan Univ./R.Kilgard et al; UV: NASA/JPL-Caltech; Optical: NASA/ESA/S. Beckwith & Hubble Heritage Team (STScI/AURA); IR: NASA/JPL-Caltech/ Univ. of AZ/R. Kennicutt)

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Chandra X-ray Image of Whirlpool Galaxy (M51)
Chandra's image highlights the energetic central regions of the two interacting galaxies that are collectively called the Whirlpool Galaxy. A large number of point-like X-ray sources due to black holes and neutron stars can also be seen. Extending to the north and south of the central region of the larger galaxy, NGC 5194, are clouds of multimillion degree gas that are thought to be heated by high-velocity jets produced near a supermassive black hole in the nucleus of the galaxy.
(Credit: NASA/CXC/Wesleyan Univ./R.Kilgard)

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Hubble Optical Image of Whirlpool Galaxy (M51)
Hubble's image of M51, also known as the Whirlpool Galaxy, shows the majestic spiral arms that are actually long lanes of stars and gas laced with dust. This galaxy, also called NGC 5194, is having a close encounter with a nearby companion galaxy, NGC 5195, just off the upper edge of this image. The companion's gravitational influence is triggering star formation in the Whirlpool, as seen by the numerous clusters of bright, young stars (red).
(Credit: NASA/ESA/S. Beckwith & Hubble Heritage Team (STScI/AURA)

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Spitzer Infrared Image of Whirlpool Galaxy (M51)
Infrared image from Spitzer also reveals stars and the glow from clouds of interstellar dust. The dust consists mainly of a variety of carbon-based organic molecules. The Spitzer image is a four-color composite of invisible light, showing emissions from wavelengths of 3.6 microns (blue), 4.5 microns (green), 5.8 microns (orange) and 8.0 microns (red). These wavelengths are roughly 10 times longer than those seen by the human eye.
(Credit: NASA/JPL-Caltech/ Univ. of AZ/R. Kennicutt)

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GALEX Ultraviolet Image of Whirlpool Galaxy (M51)
This image of the spiral galaxy Messier 51 (M51) was taken by GALEX on June 19th and 20th 2003. This picture is a combination of GALEX images taken with the FUV (colored blue) and NUV detectors (colored red). M51 has a close companion galaxy to the North that is only just visible in the NUV detector and so looks faint and red in this image. This indicates that there is very little star formation occurring in the companion galaxy. The red stars in this image are foreground stars in our own Milky Way galaxy.
(Credit: NASA/JPL-Caltech)

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Whirlpool Galaxy with Scale Bar

Return to Whirlpool Galaxy (M51) (December 10, 2007)