Light Years Away..Light Years Away..

Questions 1-10 (1 point each)Questions 1-10 (1 point each)

Question 11 (2 points)Question 11 (2 points)

Total Points (12 Points)Total Points (12 Points)

1. 1. A A light-yearlight-year is equal to about is equal to about

A. 6 million milesA. 6 million miles

B. 6 billion milesB. 6 billion miles

C. 6 trillion milesC. 6 trillion miles

D. 6 quadrillion milesD. 6 quadrillion miles

2. The 2. The astronomical unitastronomical unit ( (AU) AU) is a unit of is a unit of length equal to the distance fromlength equal to the distance from

A. The Earth to the Sun A. The Earth to the Sun

B. The Earth to the MoonB. The Earth to the Moon

C. The Sun to PlutoC. The Sun to Pluto

D. The Sun to the center of the Milky Way D. The Sun to the center of the Milky Way

3.3. Reflected sunlight from the Moon's surface takes Reflected sunlight from the Moon's surface takes ______seconds to travel the distance to the Earth.______seconds to travel the distance to the Earth.

A. 1.2 secondsA. 1.2 seconds

B. 1.2 minutesB. 1.2 minutes

C. 1.2 hoursC. 1.2 hours

D. 1.2 days D. 1.2 days

4. It takes approximately ___ minutes for light to travel 4. It takes approximately ___ minutes for light to travel from the Sun to the Earth. from the Sun to the Earth.

A. 6A. 6

B. 7B. 7

C. 8C. 8

D. 9D. 9

5. The Oort cloud is located 5. The Oort cloud is located

A. Between the orbit of Mars and JupiterA. Between the orbit of Mars and Jupiter

B. On the outer rim of our solar systemB. On the outer rim of our solar system

C. Within the atmosphere of NeptuneC. Within the atmosphere of Neptune

D. Within the Andromeda GalaxyD. Within the Andromeda Galaxy

6. The Oort cloud, is a spherical cloud of 6. The Oort cloud, is a spherical cloud of ______ ______ situated about 50,000 AU situated about 50,000 AU from the Sun. from the Sun.

A. CometsA. Comets

B. AsteroidsB. Asteroids

C. MeteorsC. Meteors

D. StarsD. Stars

7. Besides our own Sun, what is the name of our 7. Besides our own Sun, what is the name of our nearest star? nearest star?

A. AndromedaA. Andromeda

B. TriangulumB. Triangulum

C. OrionC. Orion

D. Alpha Centauri D. Alpha Centauri

8. Approximately how many light years is the star 8. Approximately how many light years is the star from our sun?from our sun?

A. 3A. 3

B. 4B. 4

C. 5C. 5

D. 6D. 6

Short Answer:Short Answer:

9. Name the nearest Galaxy9. Name the nearest Galaxy

10. Approximately how far was 10. Approximately how far was the distance in light years the distance in light years between the nearest and between the nearest and farthest star in the farthest star in the Constellation Orion?Constellation Orion?

11. Based on current space travel, is it likely we will 11. Based on current space travel, is it likely we will travel outside of our solar system? Give a travel outside of our solar system? Give a detailed explanation as to why or why not. detailed explanation as to why or why not.