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Astronomy Words
6th grade science
| Question | Answer |
|---|---|
| Year | time required for the earth to orbit once around the sun |
| Day | the time required for Earth to rotate once on its axis |
| Month | division of the year that is based on the orbit of the moon around the sun |
| Astronomy | study of the universe |
| Ptolemy | greek astronomer that stated that he earth was center of universe |
| Copernicus | polish astronomer that stated that the sun was the center of the earth |
| Brahe | Danish astronomer responsible for precision in observation |
| Kepler | stated that the planets orbited in elliptical or oval orbits. |
| Galileo | One of the first people to use a telescope |
| Newton | stated that all objects attract each other because of Earth’s gravity |
| Hubble | observed that other galaxies existed |
| Telescope | tool that is used to study objects that are far away. |
| Big bang theory | theory that the universe began with a big explosion of energy |
| Orbit | path that a body follows as it travels around another body in space |
| Revolution | motion of a body traveling around another body in space |
| Rotation | spin of a body on it’s axis |
| Astronomical unit | for the distance between the sun and earth. |
| Prograde rotation | that is a counterclockwise spin of a planet or moon as seen from above same as the sun. |
| Retrograde rotation | that is a clockwise spin of planets or moon as seen from above. |
| Terrestrial | a planet that is highly dense and nearest to the sun. |
| Gas giant | planet that has a deep, massive atmosphere and is not solid. |
| Eclipse | event in which the shadow of one celestial body fall on another |
| Satellite | natural or artificial body that revolves around a planet |
| Phase | change in the sunlit area of one celestial body as seen from another |
| Solar eclipse | where moon passes between the sun and earth. |
| Lunar eclipse | where the moon passes through the shadow of the earth. |
| Solarsystem | is made up of our sun, planets and their moons and many other objects |
| Comet | small body of ice & rock that follows the sun’s orbit and gives off gas and dust in the form of a tail |
| Asteroid belt | region of solar system that is between the inner and outer planets. |
| Asteroid | small rocky object that orbits the sun between the inner and outer planets |
| Meteorite | a meteoroid that reaches the Earth’s surface |
| Meteoroid | small rock body that travels through space |
| Meteor | bright streak of light that results when a meteoroid burns up |
Created by:
finetuning
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