Explanation: On the left, surrounded by blue spiral arms, is spiral galaxy M81. On the right marked by red gas and dust clouds, is irregular galaxy M82. This stunning vista shows these two mammoth galaxies locked in gravitational combat, as they have been for the past billion years. The gravity from each galaxy dramatically affects the other during each hundred million-year pass. Last go-round, M82's gravity likely raised density waves rippling around M81, resulting in the richness of M81's spiral arms. But M81 left M82 with violent star forming regions and colliding gas clouds so energetic the galaxy glows in X-rays. In a few billion years only one galaxy will remain.

<<  Mart  >> Pn Vt Sr Cht Pt Sb Vs           1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31             1995   1996   1997 1998   1999   2000 2001   2002   2003 2004   2005   2006 2007   2008   2009 2010   2011   2012 2013   2014   2015 2016   2017   2018 2019   2020   2021 2022   2023   2024

Yanvar' Fevral' Mart Aprel' Mai Iyun' Iyul' Avgust Sentyabr' Oktyabr' Noyabr' Dekabr'

Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: M 81 - M 82 - interacting galaxies - vzaimodeistvuyushie galaktiki Publikacii so slovami: M 81 - M 82 - interacting galaxies - vzaimodeistvuyushie galaktiki
Sm. takzhe: Galaktiki s obolochkami v Rybah Arp 142: vzaimodeistvuyushie galaktiki ot teleskopa "Dzheims Vebb" Galaktika Golovastik ot teleskopa im.Habbla Rasputyvayushayasya galaktika NGC 3169 Galaktika Sigara ot teleskopov "Habbl" i "Dzheims Vebb" Arp 87: slivayushiesya galaktiki Arp 142: galaktika Kolibri Vse publikacii na tu zhe temu >>