Eta Carinae

The universe is amazing. The more you learn about it, the more you realize how absolutely, unbelieveably amazing it is. A related amazing thing is that these days you can learn about the universe from the comfort of your living room or study.

This may seem unrelated to what has been a major focus of this blog recently but actually it is related. I will point out the connection later. For now, let’s talk about Eta Carinae, which xkcd notes (click on the image above) is a luminous blue hypergiant with anomalous FeII emission spectra. Continue reading “Eta Carinae”

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