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Latest Messier 81 Stories

supernova 1993J
2014-09-10 04:07:05

After two decades of searching, astronomers using NASA's Hubble Space Telescope have discovered a companion star to a rare type of supernova — confirming a long-held belief that supernova SN 1993J occurred inside of a binary system.

2014-09-09 16:21:06

WASHINGTON, Sept. 9, 2014 /PRNewswire-USNewswire/ -- Using NASA's Hubble Space Telescope, astronomers have discovered a companion star to a rare type of supernova.

Astronomers Say Supernova Will Be Visible From Earth Within 50 Years
2013-10-31 16:04:47

A supernova is one of the most brilliant events to take place in the universe and astronomers at The Ohio State University have determined we will see one in the Milky Way galaxy within the next 50 years.

Spiral Galaxy Messier 106 Has A Secret
2013-02-05 10:47:02

The NASA/ESA Hubble Space Telescope – with a little help from an amateur astronomer – has produced one of the best views yet of nearby spiral galaxy Messier 106.

Ancient Spiral Galaxy Observed By Astronomers
2012-07-18 12:42:04

A new discovery may help astronomers peer back in time to when spiral galaxies first began to take their shape.

701267da0b544f01a22c6f9269147201
2011-05-26 15:10:04

An assorted mix of colorful galaxies was released May 25 by NASA's Wide-field Infrared Survey Explorer mission, or WISE.

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2011-01-14 08:34:51

NASA's Wide-field Infrared Survey Explorer has captured a new view of two companion galaxies -- a somewhat tranquil spiral beauty and its rambunctious partner blazing with smoky star formation.

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2010-05-19 10:10:00

ESO is releasing a beautiful image of the nearby galaxy Messier 83 taken by the HAWK-I instrument on ESO’s Very Large Telescope (VLT) at the Paranal Observatory in Chile.

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2010-04-08 10:25:00

Hubble has snapped a spectacular view of the largest "player" in the Leo Triplet, a galaxy with an unusual anatomy: it displays asymmetric spiral arms and an apparently displaced core.

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2010-01-14 14:35:00

Galaxies throughout the universe are ablaze with star birth, but for a nearby, small spiral galaxy, the star-making party is almost over.


Latest Messier 81 Reference Libraries

67_8b8b742d654cb21ec4a1143054c4c9da
2010-09-13 17:09:55

The M81 Group, containing the well known galaxies Messier 81 and Messier 82, is a group of galaxies within the constellation Ursa Major. Along with Messier 81 and 82 are several other galaxies with apparent brightness. The center, located at an approximate distance of 3.6 Mpc, is one of the nearest groups to the Local Group. The total estimated mass of the group is (1.03 ± 0.17) × 1012M☉. The Virgo Supercluster contains the M81 Group, the Local Group, and some other nearby...

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Word of the Day
abactinal
  • Pertaining to the surface or end opposite to the mouth in a radiate animal.
The word 'abactinal' comes from a Greek root meaning 'ray' and a Latin prefix meaning 'away'.
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