What caused me to undertake the catalog was the nebula I discovered above the southern horn of Taurus on September 12, 1758, while observing the comet of that year. … This nebula had such a...

Did you know that the center of a Protostar (the star in the middle of a nebula) is called a Nuclear Furnace? So you can call that the star’s “heart.” The heart of a star...

I am the constellation of my own.