Chapter 19 - Exploring Space

Which part of the electromagnetic spectrum do optical telescopes use?

• visible light

• gamma rays

• infrared rays

Which object moves in an orbit around a larger object?

• a lander

• a rocket

• a satellite

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Which condition does life on Earth require?

• oxygen

• sunlight

• liquid water

NASA sent several crewed missions to explore

• Mars

• Venus

• the Moon

The ceramic material developed for space shuttles is also used to make

• coffee mugs

• bathroom sinks

• orthodontic braces

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What does NASA hope to accomplish by sending space probes to the Sun?

• to bring back a sample of the Sun

• to establish a solar outpost for experiments

• to learn about the hazards of solar radiation

In which range of the electromagnetic spectrum can the coolest stars be observed?

• X-rays

• visible light

• radio waves

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A _______ is an uncrewed spacecraft sent from Earth to explore object in space.

• flyby

• refracting telescope

• rover

• space probe

A ______ uses a convex lens to gather and concentrate light from objects in space.

• flyby

• rover

• refracting telescope

• reflecting telescope

A _____ lifts people and equipment into space bt ejecting exhaust gas from one end.

• Rover

• Space shuttle

• Rocket

• Space probe

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