What galaxy do we live in?
Milky Way
What is the smallest planet in the Solar System?
Mercury
Is the sun a star?
Yes
Who was the first person to land on the moon?
Neil Armstrong
How many stars are there in the galaxy?
100 thousand million
How many planets are in the Solar System?
8
What are stars mainly made of?
Hot gas
How far is the moon from Earth?
200,000 miles
How many galaxies are there?
One hundred billion
Which planets have no moons?
Mercury and Venus
What color of the star is the hottest?
Blue
What is the moon made of?
Oxygen, silicon, magnesium, iron, calcium, and aluminum
What is the shape of the Milky Way galaxy?
Spiral
Which planet in the solar system has the most gravity?
Jupiter
What is the closest star to the sun?
Proxima Centauri
How often does the moon orbit Earth?
Every 28 days