... A couple of snacks ago, I talked about how the pulsar in the center of the Crab Nebula is helping the inner nebula expand . ... The Crab Nebula is one such supernova remnant, and the nebula we see is the what's left of the tremendous explosion that ...
... of the Sun, Moon and stars, but that is a reflection of our own Earth's rotation ... the force of the explosion, and after time they cool and form a nebula, or gas cloud ...
... The exception would be in a nebula, or giant cloud of gas. ... Sound can travel through a nebula, as gas molecules (or atoms) bump into each other ... When you see a nebula with fine veils and sheets, you are seeing the gas being ...
... we see easily are the rising and setting of the Sun, Moon and stars, but that is a reflection of our own Earth's rotation ... Among those objects in the catalog were a group called ``spiral nebulae'' (nebula means cloud). ...
... In the spirit of the holiday, below is an image of IC 2118, a nebula in Orion. ... When it's shown as it is on the left, it's called the Witch Head Nebula. See why? ...