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Life on Earth & Space Exploration. 7.9AB. Comet . A celestial body moving about the Sun, usually high eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail as it streams away from the Sun. Meteoroid.
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Comet A celestial body moving about the Sun, usually high eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail as it streams away from the Sun.
Meteoroid A small body moving in the solar system that would become a meteor if it entered the Earth’s atmosphere.
Gravitational Pull The natural phenomenon of attraction between physical objects with mass or energy.
Greenhouses Gases A gas that contributes to the greenhouse effect by absorbing infrared radiation.
Microgravity Very weak gravity, as in an orbiting spacecraft.
Solar Radiation Radiation from the Sun.
Slingshot Effect Forcefully accelerate or cause to accelerate through use of gravity.