What happened to the Challenger spaceship?
What is blown up?
How many planets are there?
What is eight?
What is the hottest type of star?
What are Blue Hypergiants?
What shape do our planets make when they orbit
What is an Oval?
What is the second moon phase called?
What is a Waxing Crescent?
What was Hubble's purpose?
What is a telescope?
Name all the planets.
What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
What are shooting stars?
what are meteors?
What makes the sun so hot?
What are hydrogen and helium?
Which comes first, Waxing or Waning?
What is Waxing?
How long did Spirit and Opportunity last?
What is 90 days or 3 months?
What planet is the closest to the sun?
What is Mercury?
What is the most common star?
What are Red Dwarfs?
How many Earths could fit inside of the sun?
What is 1.3 million Earths?
How does the moon get its light?
What is the sun?
How much fuel did it take to get to the moon?
What is 203,400 gallons?
What is the hottest planet?
What is Venus?
What type of star is the sun?
What are Yellow Dwarfs?
How far away from the Earth is the sun?
What is 93 million miles away?
What does the moon cause?
what are tides?
When did the Viking probe land on Mars?
What is July 1976?
What planets have rings?
What are Jupiter, Saturn, Uranus, and Neptune?
What is the coldest type of star?
What are Brown Dwarfs?
How old is the sun?
What is 4.6 billion years old?
What causes the moon to reflect the sun's light?
What are silicates?