Explanation: A big, bright, beautiful spiral, Messier 106 is at the center of this galaxy filled cosmic vista. The two degree wide telescopic field of view looks toward the well-trained constellation Canes Venatici, near the handle of the Big Dipper. Also known as NGC 4258, M106 is about 80,000 light-years across and 23.5 million light-years away, the largest member of the Canes II galaxy group. For a far away galaxy, the distance to M106 is well-known in part because it can be directly measured by tracking this galaxy's remarkable maser, or microwave laser emission. Very rare but naturally occuring, the maser emission is produced by water molecules in molecular clouds orbiting its active galactic nucleus. Another prominent spiral galaxy on the scene, viewed nearly edge-on, is NGC 4217 below and right of M106. The distance to NGC 4217 is much less well-known, estimated to be about 60 million light-years.

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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 106 - spiral galaxy - spiral'naya galaktika Publikacii so slovami: M 106 - spiral galaxy - spiral'naya galaktika
Sm. takzhe: Spiral'naya galaktika s peremychkoi NGC 1365 ot teleskopa "Dzheims Vebb" Spiral'naya galaktika NGC 6744 M106: spiral'naya galaktika so strannym yadrom NGC 247 s druz'yami Licom k NGC 6946 M83: zvezdnye potoki i tysyacha rubinov NGC 1546 ot teleskopa im.Habbla Vse publikacii na tu zhe temu >>