Summary
Launch vehicles lift the crew, orbiters circle planets, landers touch down, and rovers explore the surface.
Key Points
4 points1
A launch vehicle is the powerful rocket that starts the journey.
2
An orbiter stays above a planet to collect data and images.
3
A lander touches the surface to study the ground.
4
A rover moves around on the ground to investigate rocks and soil.
New Words to Learn
4 wordscrew
people like astronauts who travel in space
data
information that scientists collect
images
pictures taken by cameras
soil
the thin layer of dust and rocks on a planet
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