Stargazers will be treated to overlapping meteor showers in April. From April 20 to April 26, both the Lyrids and Eta ...

During this period, he cataloged 10,000 stars and identified 42 nebulae, including Messier 83, which he discovered in 1752 ...

This is M88, a spiral galaxy in the constellation Coma Berenices. M88 has a visual magnitude of +9.4 and is 65 million light ...