Florian Breuer and Elmar Akhmetov
Messier 82, also known as the Cigar Galaxy, is a starburst galaxy about 12 million light-years away in the constellation Ursa Major. Starburst galaxies undergo extremely high rates of star formation and are thought to represent a particular phase in a galaxy’s evolution. Because of its excessive star birth, M82 is five times brighter than our own Milky Way galaxy.
This image, from the Mount Lemmon SkyCenter, required a 28-hour exposure using the 32-inch Schulman telescope.
Image: Adam Block/Mount Lemmon SkyCenter/University of Arizona [high-resolution]
The Solar System’s Most Spectacular Geology Revealed by 50 Years of Robotic Exploration
Hubble’s Latest Mind Blowing Cosmic Pictures
Eclipse by Phil Hart
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Nearly every star in the Milky Way (pictured) has its own Earthlike planet, astronomers say.
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In the image: A quasar jets energy in an illustration. A newfound quasar cluster is the universe’s biggest known object.
Light of the Night by Alexander Semenov
A Trio of Galaxies
The Andromeda galaxy, M31, with satellite galaxies M32 (centre left) and M110 (lower right).
A multi-image mosaic of the moon. Even a telescope with low magnification will only show a small part of the moon’s surface at a time, so composite images such as this are needed to show large areas of its surface
Lord of the Rings, Saturn
(Source: National Geographic)