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Home » THE EARTH IN THE SOLAR SYSTEM (G-1)
- Star– a celestial body that has its own heat and light.
- Celestial body– all objects that we can see in the sky.
- Planet– a celestial body which revolves around a star in a orbit.
- Satellite– a celestial body which revolves around a planet in a orbit.
- Constellation– a group a several stars which formed a definite pattern in the sky is known as constellation.
- Orbit– a definite elliptical path in which planet or satellite revolves.
- Full moon night– a night when the moon is visible from the earth as a full sphere.
- New moon night– every 15th night after the full moon night the moon is not visible in the sky, that is known as new moon night.
- Geoid– the true shape of the earth.
- Asteroids– tiny celestial bodies which moves between the Mars and the Jupiter.
- Meteoroids– small pieces of rocks which move around the sun.
- Galaxy– a collection of innumerable stars.
- Universe– a largest unit in which a collection of galaxies exists.