Physics and the Universe Quiz

What is the largest object in the Universe?

• Planet

• Galaxy

• Star

• Asteroid

What is the unit of length used to refer to large distances in the Universe?

• Meter

• Kilometer

• Inch

• Light Year

What is the speed of light in meters per second?

• 300,000 m/s

• 200,000 m/s

• 400,000 m/s

• 500,000 m/s

How many seconds are there in a year?

• 365,250 s

• 8,766 s

• 52,596,000 s

• 31,557,600 s

What is the name of the closest star to Earth after the Sun?

• Betelgeuse

• Alpha Centauri

• Sirius

• Proxima Centauri

What is the largest galaxy discovered to date?

• Segue 2

• IC 1101

• Milky Way

• Andromeda

What is the smallest galaxy known so far?

• Segue 2

• Milky Way

• Andromeda

• IC 1101

What constitutes just 10% of a galaxy's total mass?

• Halo

• Dark matter

• Stars, dust, and gas

• Nucleus

What is the mysterious mass that covers a galaxy and is not detectable due to its emission of light or other electromagnetic waves?

• Stars

• Gas

• Dark matter

• Dust

What is the name of the galaxy that is closest to the Milky Way?

• Andromeda

• IC 1101

• Segue 2

• Triangulum