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32) The most abundant molecule in cold interstellar molecular clouds, out of which stars may form, is

29) Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram?

We will post a short question to Canvas after Thursday’s guest lecture with Amanda Zweerink. You don’t need to answer anything here—once you’ve submitted your response on Canvas, your points will be added for this question.

23) Sunspots are colder than the surrounding solar surface because

10) The Einstein Cross and Einstein Ring are examples of:

40) How many helium nuclei fuse together when making carbon?

5) General Relativity describes gravity as:

16) An up quark (u) has a charge +2/3, and a down quark (d) has a charge of – 1/3. Which of the following describes a proton?

A. Les synonymes  Write a synonym for each word. Include any indefinite articles. (5 x 1 pt. each = 5 pts.) Modèle:  You see: un lieu_________________ You write: un endroit

The loose membrane that drapes from arm to leg allowing a sugar glider to glide is called a