Unit 7 Universe and Stars Vocabulary Quiz

What is the measure of how bright a star would be if it were seen from a standard distance?

• Absolute magnitude

• Apparent magnitude

• Light year

• Astronomical unit

What is the brightness of a star as seen from Earth called?

• Absolute magnitude

• Apparent magnitude

• Galaxy

• Cluster

What unit is used to measure distances in the Solar System?

• Light year

• Astronomical unit

• Void

• Solar flare

What is a collection of stars, dust, and gas bound together by gravity?

• Universe

• Solar system

• Galaxy

• Cluster

What is the distance that electromagnetic radiation travels in one year?

• Light year

• Astronomical unit

• Sunspot

• Prominence

What is a natural object that orbits a planet?

• Planet

• Star

• Void

• Moon

What is a large spherical body in space that orbits a star and does not produce its own light?

• Star

• Moon

• Galaxy

• Planet

What is a loop of relatively cool, incandescent gas that extends above the photosphere?

• Prominence

• Solar flare

• Sunspot

• Void

What is an explosive release of energy from the Sun associated with magnetic disturbances?

• Cluster

• Solar flare

• Prominence

• Sunspot

What is a system of planets and other bodies that orbit a star?

• Galaxy

• Cluster

• Void

• Solar system