Discover the Hertzsprung-Russell diagram, a key tool graphing the brightness of stars against color in astronomy. That's really funny, and I wish I had thought of it. The vertical axis is fame, as ...

The film discusses the Sun, our nearest star, detailing how astronomers study it through solar observatories. It explains the Sun's characteristics, including its size, temperature, and composition, ...

A simple diagram, which celebrates its centennial this year, continues to serve as the most essential conceptual tool in stellar astrophysics Modern astronomy paints a vivid picture of the universe ...

Imagine you are being given an important assignment by a taskmaster with a strange sense of humor. Your job is to study a forest, but you can only work according to a rather bizarre set of rules. For ...

HR Diagram by GeneSmith http://casswww.ucsd.edu/public/tutorial/HR.html A good, short summary of the HR diagram HR Diagram and Stellar Ages http://www.britannica.com ...

You’ve probably been told that staring directly at the Sun is bad for your eyes. However, we don’t have to have uncomfortable staring contests with the Stars to try and get them to give up their ...

Our Sun is doomed. Billions of years from now, the Sun will deplete its hydrogen fuel and swell to a red giant before becoming a white dwarf. It’s a well-known story, and one astronomer has understood ...