Exploring the Cosmos - Degree Exam 2007 - Life and Death of Stars (Part 1)

1. The Lyman series of hydrogen lines are in the __________ part of the spectrum.

2. A star's spectral type is most closely related to its

3. The sun's visible surface is called the

4. Hydrogen burning converts slightly less than __________ of the rest mass into energy.

5. A typical stellar velocity with respect to the sun would be of order

6. The sun's angular diameter is approximately

7. The sun is a star of luminosity class

8. Short period binaries are almost always

9. The star Algol is a famous example of a binary system which is

10. The luminosity of a main sequence star increases with its mass approximately to the power