NGC 6539
Overview
Globular cluster
A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. The name of this category of star cluster is...
in the constellation Serpens
Serpens
Serpens is a constellation of the northern hemisphere. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy and it remains one of the 88 modern constellations defined by the International Astronomical Union....
. It was discovered by Theodor Brorsen
Theodor Brorsen
Theodor Johan Christian Ambders Brorsen was a Danish astronomer best known for his discovery of five comets, including the lost periodic comet 5D/Brorsen and the periodic comet 23P/Brorsen-Metcalf.- Life :...
in 1856
1856 in science
The year 1856 in science and technology involved some significant events, listed below.-Archaeology:* First remains of Neanderthal Man found in the Neandertal Valley of Germany.-Biology:* Gregor Mendel starts his research on genetics....
.