File:Hubble Space Telecope image of galaxy group ARP 140.jpg
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Size of this preview: 800 × 496 pixels. Other resolutions: 320 × 198 pixels | 640 × 396 pixels | 1,024 × 634 pixels | 1,280 × 793 pixels | 3,196 × 1,980 pixels.
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Captions
Captions
The lenticular galaxy, NGC 274, is visible on the right side, and the barred spiral, NGC 275, is at left.
Summary[edit]
| Description |
English: Hubble Spies Side-by-Side Galaxies
A barred spiral galaxy and a lenticular galaxy come together to create this interacting pair known as Arp 140. The lenticular galaxy, NGC 274, is visible on the right side of this new NASA Hubble Space Telescope image, and the barred spiral, NGC 275, is at left. The twosome is located in the constellation Cetus. Lenticular galaxies and barred spiral galaxies have different structures. In barred spiral galaxies, a bar of stars runs through the central bulge of the galaxy (seen here as a bright-white, vertical haze in NGC 275). Typically, the arms of the galaxy start at the end of the bar. Lenticular galaxies, on the other hand, are classified somewhere between elliptical and spiral galaxies. They get their name from the edge-on appearance that resembles a disk. Lenticular galaxies have large central bulges and flattened disk-like spirals, but no spiral arms. They don’t have much gas and dust and are made up primarily of old stars. |
| Date | |
| Source | https://science.nasa.gov/image-detail/hubble-spies-side-by-side-galaxies-2/ |
| Author | Credits: NASA/ESA/R. Foley (University of California - Santa Cruz) / Processing: Gladys Kober (NASA/Catholic University of America) |
Licensing[edit]
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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