Space review

What effect does dark energy seem to have on the universe?

• It seems to be slowing the expansion of the universe

• It seems to be accelerating the expansion of the universe

• It seems to be causing the collapse of the universe

• It seems to be causing new stars to form

Which of the following star magnitudes is the brightest?

• -1

• 0

• -3

• +4

What type of galaxy is the Milky Way?

• elliptical

• spiral

• ephemeral

• irregular

Scientists measure the distances in the universe using

• Light years

• Kilometers

• Miles

• AMUs

What is the area of rocky bodies between Mars and Jupiter called?

• The Solar Nebula

• The Kuiper Belt

• The Oort Cloud

• The Asteroid Belt

Why does Mercury have such drastic temperature changes?

• Strong magnetic activity, less mass

• Very slow rotation on its axis, volcanic activity

• Thick atmosphere, slow orbit

• It's close to the sun, no atmosphere

What type of stars do astronomers study to help estimate the age of the universe?

• red dwarfs

• white dwarfs

• sunlike stars

• giants and supergiants

Which planet has the highest mountain in the solar system?

• Venus

• Earth

• Mars

• Mercury

What is the order of the planets?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Venus, Earth, Mercury, Mars, Uranus, Saturn, Neptune, Uranus

• Mars, Venus, Mercury, Earth, Uranus, Jupiter, Saturn, Neptune

• Earth, Jupiter, Mars, Venus, Mercury, Saturn, Neptune, Uranus

A star appears to shift position when viewed from different locations because of

• spectrum

• parallax

• apparent magnitude

• absolute magnitude