Why getting BACK from space is harder than getting there
Be Smart • 2026-06-05T16:58:56Z • 2:04:00 • intermediate • Science
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Ever wondered why returning from space is more challenging than the journey there? Discover the fascinating science behind spacecraft re-entry and the incredible forces at play!
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Vocabulary
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atmosphere
/ˈæt.mə.sfɪr/
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Definition
The envelope of gases surrounding the earth or another planet.
Example
The atmosphere of Mars is much thinner than that of Earth.
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kinetic
/kɪˈnɛtɪk/
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Definition
Relating to or resulting from motion.
Example
The kinetic energy of the moving car was converted into heat when it stopped.
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compress
/kəmˈprɛs/
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Definition
To press together; to reduce in size or volume.
Example
The air inside the balloon began to compress as it was squeezed.
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plasma
/ˈplæz.mə/
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Definition
A state of matter in which gas is energized until atomic electrons are no longer associated with the nucleus.
Example
Lightning is a natural example of plasma in action.
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deploy
/dɪˈplɔɪ/
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Definition
To position or arrange (something) for use.
Example
The astronauts were trained to deploy the parachutes at the right altitude.
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aerodynamics
/ˌɛəroʊdaɪˈnæmɪks/
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Definition
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
Understanding aerodynamics is crucial for designing efficient aircraft.
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