Cosmology Test 2

Directions: Students use the following information as a suggested guide to study for the test. Remember this is only a guide and may not contain the necessary information concerning every question. Good luck on the up coming test!

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Areas to study:

The Big Bang Theory

a. What is the Big Bang Theory?

b. Evidence to support and discount The Big Bang

Open Verses Closed Universe

a. Describe and Illustrate Open Universe.

b. Describe and Illustrate Closed Universe

Nebulae.

a. What are Nebulae?

b. What do they create in space and how does this process occur?

Evolution of Galaxies and Galactic Shapes

a. What are galaxies?

b. Name the shapes of galaxies.

c. How do galaxies evolve over time?

Stellar Evolution and H-R Diagram

a. What is stellar evolution?

b. what role does a star's color play in its identification?

c. Draw and interpret the H-R Diagram.

Stellar Distances and Look-back Time

a. What units do we use for stellar distances?

b. What is "Look-Back Time?"

Gravity's Role in the Universe

a. What is Gravity?

b. How does mutual gravitational attraction work?

Constellations

a. Know the North Polar Constellations and their locations in respect to each other.

b. How and when were most most Northern constellations named.

c. Identify the location of Polaris.

Star Mass to Stars Final Stage

a. Know star types that describe final stage stars.

b. Know what a Black Hole is.

c. Know the differences between a Nova and a Supernova