Historical model of solar system
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Elliptical | using or involving ellipsis, especially so as to be difficult to understand.
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| Geocentric | earth centered
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| Gravitational force | he force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface; "the more remote the body the less the gravity"; "the gravitation between two bodies is proportional to the product of th
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| Heliocentric | sun centered
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| Moon | the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
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| Orbit | the path that a body follows as it travels around another body in space
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| Planet | A relatively large spherical body that orbits a star
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| Solar system | The sun and all of the planets and other bodies that travel around it
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| Parallax | An apparent shift in the position of an object when viewed from different locations.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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