NASA Space Missions

The International Space Station is a huge science laboratory that orbits Earth every 92 minutes. Experiments on board the International Space Station can help scientists learn ____________________.

• why Earth rotates on its axis every day.

• what substances are found in moon dust.

• when the first green plants appeared on Earth.

• how to solve problems of living in space.

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What was the name of the 1st American space station?

• International Space Station

• Mir

• Sputnik

• Skylab

Pictures taken by the Cassini spacecraft show that the rings surrounding Saturn have dark and light bands. Until these pictures were taken, scientists on Earth did not know about this difference in color. Why was the Cassini spacecraft able to take pictures of the dark and light bands in Saturn’s rings while they are not visible from Earth?

• The rings around Saturn are covered by thick, dark clouds made of toxic gases.

• Bright sunlight makes it difficult to see colors the farther it travels in the solar system.

• The differences between the light and dark bands are the result of minerals not found on Earth.

• Telescopes on Earth are not powerful enough to see these differences at the great distance.

What tool would we use to study Earth's atmosphere?

• Space probe

• Satellite

• Rover

• Telescope

series of missions designed to send people to the moon and back

• Apollo

• Mercury

• Gemini

• Artemis

government organization that oversees all space missions

• NASA

• CIA

• FBI

• Homeland Security

Which space mission launched first?

• Apollo 8

• STS 51L

• MER

reusuable spacecraft that transports people and materials to and from space

• shuttle

• satellite

• orbiter

• lander

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space probes which touch down on the surface

• flyby

• lander

• orbiter

• revolver

space probes which revolve around the object

• flyby

• lander

• orbiter

• rover