outer space
1
the space outside the earth's atmosphere
- Outer space is characterized by the absence of air, so astronauts must wear spacesuits to survive the vacuum and extreme conditions.
- The International Space Station (ISS) orbits Earth in outer space, providing a laboratory for scientific experiments in microgravity.
- Satellites in outer space help with communication, weather monitoring, and scientific research by orbiting the Earth and other celestial bodies.
- Astronomers study outer space to understand the origins and structure of the universe, including the formation of stars, planets, and galaxies.
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