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Ares Program

This is a series of missions to Mars.

Hermes

This is the ship that is used to get to and from Mars.

MDV

This is a vehicle used to descend to Mars.

MAV

This is a vehicle used to get from Mars back to the space ship.

Hab

This is a habitat on Mars designed to last for a thirty-one day mission.

RTG

This is a radioisotope thermoelectric generator, which is a big box filled with plutonium-238.

Pathfinder

This is a spacecraft that lost contact with NASA in 1997.

Sojourner

This is the rover for a mission that ended in 1997.

Jet Propulsion Laboratory

Located in California, this group operates interplanetary space missions.

AL102

This object stretched and caused Mark to end up in the airlock.

Iris

Designed to send food to Mars, this probe exploded.

Taiyang Shen

This is a Chinese probe.

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