Astrophysics

A moon orbits a:

• Galaxy

• Sun

• Star

• Planet

A planet orbits a:

• Star

• Galaxy

• Moon

• Constellation

Which of the following best describes the number of stars in a galaxy?

• millions

• hundreds of billions

• thousands

• hundreds of thousands

What is the name of our galaxy?

• Local Group

• Large Magellanic Cloud

• Andromeda

• Milky Way

How far away is the nearest star? (excluding the Sun)

• 4.25 light years

• 425 light years

• 42.5 light years

• 4250 light years

Which is the correct order, starting with the largest?

• galaxy - Solar system - planet - Sun

• galaxy - Solar system - Sun - planet

• planet - galaxy - Solar system - Sun

• planet - Solar system - Sun - galaxy

What is the planet with the greatest surface temperature?

• Venus

• Earth

• Jupiter

• Mercury

What is the largest planet in the solar system?

• Saturn

• Uranus

• Jupiter

• Neptune

Which of these is NOT true about a dwarf planet?

• It is irregularly shaped (not spherical)

• It orbits the Sun

• It is large enough (enough mass) that it is spherical

• It hasn't cleared it's neighbourhood of other bodies

What is the correct order of planets in increasing distance away from the Sun?

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

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

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

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