Space and Measurement Quiz

What is a light year?

• The time it takes for light to travel in one year

• A type of year used in astronomy

• The distance light travels in one year

• A unit of time in the solar system

How far is one light year in kilometers?

• Approximately 9.46 billion kilometers

• Approximately 9.46 trillion kilometers

• Approximately 946 million kilometers

• Approximately 1 trillion kilometers

What unit is used to measure the distance from Earth to the Sun?

• Astronomical unit

• Kilometer

• Parsec

• Light year

Which planet does not have moons?

• Mars

• Mercury

• Jupiter

• Neptune

What is the approximate distance from Earth to the Moon?

• 384,400 km

• 150,000,000 km

• 8.3 light minutes

• 1.5 AU

What does AU stand for?

• Astrological Unity

• Astronomical Unity

• Astrological Unit

• Astronomical Unit

How long does light from the Sun take to reach Earth?

• 8 minutes 20 seconds

• 365 days

• 1 light year

• 24 hours

What is the closest galaxy to the Milky Way?

• Andromeda Galaxy

• Triangulum Galaxy

• Sagittarius Dwarf Elliptical Galaxy

• Canis Major Dwarf Galaxy

What is the distance from the Sun to Proxima Centauri?

• 8.3 light minutes

• 2.5 million light years

• 1.5 AU

• 4.25 light years

What is a parsec approximately equal to?

• 10 light years

• 1 light year

• 5.2 light years

• 3.26 light years