Distances, Galaxies, Solar System

When did the Universe spring into existence?

• 250 billion years ago

• 14 billion years ago

• 10 billion years ago

• 14 million years ago

How many stars are in "our" solar system?

• 1

• 250 billion

• 10 billion

• 14 billion

What unit of space measurement is equal to the approximate distance from the Earth to the Sun?

• Parsec

• Lightyear

• Astronomical Unit

• Mile

What unit of space measurement is equal to the distance that light travels in one Earth year?

• Parsec

• Lightyear

• Astronomical Unit

• Kilometer

What is the largest unit of space measurement that we've discussed in class thus far?

• Parsec

• Lightyear

• Astronomical Unit

• Inch

What is the name of "our" galaxy?

• Andromeda Galaxy

• Messier 63 Galaxy

• Whirlpool Galaxy

• Milky Way Galaxy

What is the shape of "our" galaxy?

• Irregular

• Nearly flat and spiral

• Elliptical

• Peculiar

The Sun is NOT a star.

• TRUE

• FALSE

An astronomical unit is a space unit equal to...

• 9.3 million miles

• 93 million miles

• 93 billion miles

• 930 miles

Between solar system, universe and galaxy, which is the largest?

• Universe

• Solar System

• Galaxy