Mesier 105
Messier 105
Image Credit: ESA, NASA
This Hubble image of M105 was taken in near-infrared and visible light. Like most elliptical galaxies it appears rather featureless and inactive. However, Hubble observations surprised astronomers by revealing young stars and star clusters in M105, indicating that star formation is still taking place in what was thought to be a “dead” galaxy no longer capable of giving birth to new stars. Other Hubble observations measured the speeds of stars moving around the center of the galaxy, which demonstrated that a supermassive black hole resides at M105’s core.
Best observed in April, M105 has an apparent magnitude of 10.2 and can be spotted with a small telescope. Large telescopes will uncover two fainter galaxies (NGC 3384 and NGC 3389) close to the bright elliptical.
For more information about Hubble’s observations of M105, see:
Image Credit: Image Courtesy of Stellarium
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