Documents The Hertzsprung-Russell diagram and the nature of stars.

Slide 1The Hertzsprung-Russell diagram and the nature of stars Slide 2 At this point, we have learned a lot about stars: absolute magnitudes (luminosities), distances, temperatures,…

Documents Siderius Nuntius… Light and the Science of Astronomy

Siderius Nuntius⦠Light and the Science of Astronomy Light is the only information we get from most astronomical objects. To understand these objects, we need to understand…