Since the average person isnât making less than $20,000 per year (which they would be if $3,150 were two monthsâ salary), itâs clear that grandmaâs rule no longer holds. Weâre not saying that you shouldnât buy an engagement ring, but we also donât think itâs wrong to play with conventions every once in a while.
The pinkish-red color of nebulae, such as M42 in Orion or the Lagoon Nebula in Sagittarius, is really a combination of four different bright spectral lines of hydrogen gas. A hydrogen atom has a single proton at its center and a single electron in its outer region.
The Carina Nebula is a bright, large emission nebula surrounding the star Eta Carinae, located in the southern constellation Carina. It is also sometimes called the Eta Carinae Nebula, the Grand Nebula, or the Great Nebula in Carina. The nebulaâs designation in the New General Catalogue is NGC 3372. It is one of the largest diffuse nebulae known, one that contains several open star clusters.