Top Posts Tagged with #m89

A collection of galaxies in the Virgo Cluster // Peter Butler & Chuck's Astrophotography

Some of the galaxies include M89 (lower left), M58 (right), and the Butterfly Galaxies (top right).

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#Virgo Cluster #Virgo #galaxies #stars #space #deep space #aesthetic #nada #planets #sky #m49 #m58 #m60 #m61 #m84 #m85 #m86 #m88 #m89 #m99 #m91 #m98 #m100

M89: Elliptical Galaxy with Outer Shells and Plumes

Can you see them? This famous Messier object M89, a seemingly simple elliptical galaxy, is surrounded by faint shells and plumes. The cause of the shells is currently unknown, but possibly tidal tails related to debris left over from absorbing numerous small galaxies in the past billion years. Alternatively the shells may be like ripples in a pond, where a recent collision with another large galaxy created density waves that ripple through this galactic giant. Regardless of the actual cause, the featured image highlights the increasing consensus that at least some elliptical galaxies have formed in the recent past, and that the outer halos of most large galaxies are not really smooth but have complexities induced by frequent interactions with -- and accretions of -- smaller nearby galaxies. The halo of our own Milky Way Galaxy is one example of such unexpected complexity. M89 is a member of the nearby Virgo cluster of galaxies which lies about 50 million light years distant. Credit: Mark Hanson

#astronomy #space #cosmos #universe #astrophotography #cosmology #science #galaxy #elliptical galaxy #M89 #Messier 89 #halo

Days of Messier: Elliptical Galaxy M89

Another elliptical member of the Virgo cluster of galaxies, discovered by Charles Messier on 18 March, 1781. M89 lies 50 million light years away and contains about 100 billion stars, including approximately 2000 globular clusters.

Unlike most elliptical galaxies, M89 appears to be almost perfectly spherical, with a diameter of 80,000 light years, however, this may be an artifact of the galaxy’s orientation relative to the Milky Way.

Astronomers have detected considerable structures of gas and dust surrounding M89, suggesting that it may once have been a quasar or radio galaxy. Similar to M87, it appears to be experiencing ram pressure stripping.

Yesterday: M88, a spiral galaxy Tomorrow: M90, an intermediate spiral galaxy

#astronomy #galaxy #elliptical galaxy #m89 #days of messier

M89 // Rod Hughes

Seen here as a faint pale circular orb, M89 is another member of the Virgo Cluster. Oddly enough, M89 might be perfectly spherical. Most other elliptical galaxies are, well, elliptical in shape.

It could be an orientation effect. If the galaxy's long axis is pointed towards the Earth, then an elliptically-shaped galaxy could appear perfectly spherical from our perspective.

On the other hand, it could just be a spherical galaxy! That would be slightly odd, since there is evidence that it has been through a few galaxy mergers. This should distort the shape away from spherical. More research is needed!