Name ____________________________ Date_________________
Unit 11: The Sun and Components of the Universe Review
1. Nebula- Clouds of gas and dust
2. Galaxy - Made up of stars and Nebulae
3. The Sun - A yellow medium sized star. Found in the main sequence. Closest star to the
Earth. Located in the Milky Way Galaxy
4. H-R Diagram – Measures a stars brightness/luminosity/magnitude and Temprature
5. Magnitude /Luminosity – A stars brightness
6. Black Hole – A black hole is an area in space from which nothing can escape, including
light
7. What group of stars does the Sun belong to on the H-R diagram? Main Sequence
8. What is the hottest color of star according to the H-R diagram? Blue
9. What is the coolest color of star? Red
10. Where are hot stars located on the H-R diagram? Left
11. Where are cooler stars located on the H-R diagram? Right
12. What type of star will become a black hole? Massive Star (Supergiant)
