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Sci explosion ch 11

Science Explosion v4, chapter 11

axis an imaginary line from the north pole to the south pole through the center of the planet around which a planet rotates
facula a bright cloud of gas on the Sun’s surface; usually accompanies sunspots
gas giant planets with a surface made of gases
International Space Station a facility that orbits Earth and is maintained and used by astronauts from sixteen different countries (the ISS)
lunar eclipse an eclipse that occurs when the Moon passes through Earth’s shadow
planet an object in the solar system that orbits the sun and is big enough for its own gravity to keep it in the shape of a sphere
probe an unmanned space craft that is controlled from Earth
revolution each complete orbit a planet makes around the Sun
rotation the turn of a planet around its axis
satellite any object that rotates around another body in space
solar eclipse an eclipse in which the Moon passes between the sun and Earth
terrestrial planet a rocky, dense planet
totality the event that occurs when a celestial body completely eclipses another celestial body
aurora the light show near Earth’s Poles that is caused by the solar wind and Earth’s magnetic field
Dwarf planet Orbit the sun, are spherical, but can share their orbit with other objects of similar size
Created by: heidio