Components of the Universe - Galaxies

The shape of this galaxy is (a)  

• spiral
• elliptical
• barred
• irregular

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112.28.b.9.B

The shape of this galaxy is (a)  

• spiral
• irregular
• elliptical
• lenticular

Tags

112.28.b.9.B

Which statement best describes a galaxy?

• A cloud of gas that is the birthplace of stars

• A system of billions of stars, gas, and dust held together by gravity

• A ball of plasma that experiences nuclear fusion in its core

• A mass of dust and ice that orbits a star in an elliptical pattern

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112.28.b.9.B

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people of Earth cannot see the entire shape of the Milky Way?

• Earth is a part of this galaxy

• Many more stars exist outside the galaxy

• The stars in the center of the galaxy are extremely small

• The center of the galaxy consists of a dense cluster of stars

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112.28.b.9.B

The shape of this galaxy is (a)  

• spiral
• lenticular
• elliptical
• irregular

Tags

112.28.b.9.B

The shape of this galaxy is...

Tags

112.28.b.9.B