Where did the Moon come from?
The moon came from a collision between Earth and another massive object (Theia)
What are the smallest and the biggest planets?
Mercury (smallest) and Jupiter (largest)
About how old is the Earth?
4.5 billion years old
What is the name of our home galaxy?
The Milky Way
How many Zodiacal constellations are there?
12
How many days is the Moon's full revolution? (1 orbit around the Earth)
Approximately 28 days
How many planets have rings?
4 (Jupiter, Saturn, Uranus, Neptune)
Who was the first dog launched into space?
Laika (USSR, 1957)
What type of galaxy is the Milky Way?
(Barred) Spiral Galaxy
Who is credited with the creation of the General Theory of Relativity?
Albert Einstein
Name one moon in the solar system that has liquid water.
Europa (Jupiter), Enceladus (Saturn)
What planet has the most moons?
Saturn
How far away does the Earth orbit from the Sun?
~93,000,000 miles
Who is our galactic neighbor?
The Andromeda Galaxy
What does NASA stand for?
National Aeronautics and Space Administration
What color type is the sun? (letter)
G-type
What's your favorite planet? (Everyone)
:D
True or False: Earth's day used to be 6 hours
True
How big is the Milky Way galaxy? (diameter)
~100,000 light years across
What are the different letter classes of star color?
O, B, A, F, G, K, M
About what percent of the solar system's mass is the Sun?
Over 99% (99.86% to be specific)
What are the names of Jupiter's largest moons?
Io, Europa, Ganymede, Callisto
What percent of Earth's atmosphere is oxygen?
20% (closer to 21%)
What supercluster are we part of?
The Laniakeia Supercluster
What is the speed of light?
~300,000 kilometers per second
~300,000,000 meters per second
~186,000 miles per second