the solar system

QUESTION 1

  1. Newton’s work on gravity supported the heliocentric view of the universe.





2 points

QUESTION 2

  1. Some of our earliest writings about the nature of the universe come from the ancient Hindus.





2 points

QUESTION 3

  1. Most of the universe is believed to be

3 points

QUESTION 4

  1. A ___________ is a collection of dust and gas held together by gravity.

3 points

QUESTION 5

  1. With advances in telescope technology, we can see that galaxies are moving _______ over time.

3 points

QUESTION 6

  1. Define parallax in terms of the stars and explain why the positions of the stars appear different to us throughout the year.

    Path: pWords:0

4 points

QUESTION 7

  1. Explain how we believe that the planets formed.

    Path: pWords:0

4 points

QUESTION 8

  1. Our Sun is in the _______ of the Milky Way.

3 points

QUESTION 9

  1. The degree of flattening in a planet’s orbit is called its

3 points

QUESTION 10

  1. Our solar system is part of which galaxy?

3 points

QUESTION 11

  1. When the solar system formed, most of the mass ended up in the

3 points

QUESTION 12

  1. Describe how sunlight travels to Earth and its role in life on Earth.

    Path: pWords:0

4 points

QUESTION 13

  1. The inner planets all have

3 points

QUESTION 14

  1. The inner solar system contains the

3 points

QUESTION 15

  1. The dark areas of the Moon are called the terrae, and they are made of basaltic lava.





2 points

QUESTION 16

  1. The force of gravity that would act on your body is weaker on the Moon than on Earth because the Moon is smaller than Earth.





2 points

QUESTION 17

  1. Explain how scientists hypothesize the Moon formed.

    Path: pWords:0

4 points

QUESTION 18

  1. Scientists believe the asteroids in the asteroid belt were never able to form a larger planet because of

3 points

QUESTION 19

  1. The mass of all the objects in the asteroid belt is larger than the mass of Earth.





2 points

QUESTION 20

  1. What are some reasons that drive society’s exploration of space? Why do governments agree to spend billions of dollars to support space exploration?

    Path: pWords:0

4 points

QUESTION 21

  1. The strongest winds of any planet in the solar system are found on

3 points

QUESTION 22

  1. Ganymede is a satellite of

3 points

QUESTION 23

  1. The Great Red Spot on Jupiter is

3 points

QUESTION 24

  1. Uranus and Neptune are made mostly of

3 points

QUESTION 25

  1. Which mission landed the first humans on the Moon?

3 points

QUESTION 26

  1. Which of the following is a goal of the U.S. Space Shuttle program?

3 points

QUESTION 27

  1. A main sequence star cools and expands. It must be entering which stage?

3 points

QUESTION 28

  1. Main sequence stars have decreasing brightness with temperature.





2 points

QUESTION 29

  1. On an HR diagram, very large stars tend to have high temperatures and high luminosities.





2 points

QUESTION 30

  1. Almost all characteristics of a star are determined by its

3 points

QUESTION 31

  1. Which statement is true about the most massive stars?

3 points

QUESTION 32

  1. After a low-mass star burns all of its helium, it ejects a collection of gases called a

3 points

QUESTION 33

  1. Stars spend about 90 percent of their lifetime fusing helium to make hydrogen.





2 points

QUESTION 34

  1. Describe a neutron star and a pulsar.

    Path: pWords:0

4 points

 

"Is this question part of your assignment? We Can Help!"