Learning About the Universe

Refracting telescopes use mirrors to collect and focus visible light.

• TRUE

• FALSE

All telescopes, including non-optical ones, collect different types of electromagnetic radiation.

• TRUE

• FALSE

Radio telescopes can detect radio waves from objects in space using a series of lenses.

• TRUE

• FALSE

What is a space probe?

• A spacecraft that carries a human crew to explore space

• A spacecraft that carries scientific instruments to collect and transmit data but has no human crew

• A spacecraft that carries only communication systems to send and receive signals

Which of the following is not a type of space probe?

• Orbiter

• Lander

• Rover

What is the purpose of a lander space probe?

• To fly by and collect data about planets and other bodies in the solar system

• To photograph and analyze the atmosphere of a planet

• To land on a planet and analyze the materials on its surface

What was the purpose of launching fruit flies into space?

• To study the effects of weightlessness

• To see if they could survive the harsh conditions of space

• To determine if they could reproduce in space

• To test their ability to navigate in zero-gravity

Which country was the first to send an animal into orbit?

• Japan

• China

• The Soviet Union

• The United States

What was the significance of Sputnik I's launch?

• It marked the start of the space age

• It signaled the beginning of the Cold War

• It was the first time humans went into orbit

• It helped detect and study the Van Allen Belts

What was Explorer I's contribution to the study of space?

• It was the first satellite to carry humans into space

• It helped develop faster communication technology

• It detected and studied the Van Allen Belts

• It discovered a new planet in our solar system