Journey to the Moon and Beyond

What speed must a spacecraft reach to safely re-enter Earth's atmosphere?

• 15,000 mph

• 25,000 mph

• 45,000 mph

• 35,000 mph

Who challenged the United States to land a man on the moon before the end of the 1960s?

• Dwight D. Eisenhower

• Richard Nixon

• Lyndon B. Johnson

• John F. Kennedy

Which Apollo mission was the first to successfully land humans on the moon?

• Apollo 10

• Apollo 13

• Apollo 11

• Apollo 12

How many Apollo missions successfully landed humans on the moon?

• 5

• 6

• 8

• 7

What was the primary focus of the scientific experiments conducted by Apollo astronauts on the moon?

• Atmospheric studies

• Oceanographic studies

• Geological studies

• Biological studies

What was the name of the planet or planetoid believed to have collided with Earth to form the moon?

• Titan

• Luna

• Thea

• Gaia

What is the Giant Impact Theory?

• A theory about the extinction of dinosaurs

• A theory about the formation of the solar system

• A theory about the formation of the moon

• A theory about the creation of black holes

What effect do tidal forces between Earth and the moon have on Earth's rotation?

• They slow down Earth's rotation

• They speed up Earth's rotation

• They have no effect on Earth's rotation

• They reverse Earth's rotation

By the time of the dinosaurs, how long was a day on Earth?

• 30 hours

• 24 hours

• 19 hours

• 12 hours

What is the current length of a day on Earth?

• 19 hours

• 22 hours

• 24 hours

• 26 hours