Though to the unaided eye the Moon tends to appear as only a few shades of grey, it actually does have more colour as this image shows. The various colours are due to the different mineral content of the surface. #astrophoto
Open clusters are incredible natural laboratories. Since the stars that make up the cluster were all born at the same time, in astronomical terms; clusters have shown us how more massive stars age faster than less massive ones. Clusters are great teachers of stellar evolution. #astrophoto
Spiral galaxies appear as two general types. No bar as seen in the image of M101 (left) and with a bar as seen in M109 (right). #astrophoto
2019 second warmest year on record NASA: http://evl.link/ir
The Leo Triplet, made up of NGC 3628 (top), M65 (bottom right) and M66 (bottom left), is a popular target for amateur astronomers as it is easy to locate and made up of relatively bright galaxies. The galaxies are on the order of 30 million light years from Earth. #astrophoto
M27 was the first planetary nebula discovered, on 12 July 1764 by Charles Messier. Messier was unaware of what M27 was beyond a fuzzy object that wasn't a comet, which is how it ended up on his eponymous list. #astrophoto
Teacher, astronomer, political scientist and father. I wrote a book once: http://evl.link/df
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