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A parachute is an object used to slow down objects. It's often found in either a round or rectangular shape. In regards to space travel it's often used to slow down capsules after re-entry allowing for safe landing or to slow down space shuttles after landing.

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What are the disadvantages of parachute+airbag for atmospheric landing, versus rocket-based?

It's quite simple. The new Mars Science Laboratory rover is too heavy to survive an airbag landing. The airbags themselves are made from fabric and had to be strengthened for the Mars Exploration Rove …
Nicholas Shanks's user avatar