Astronomy - Chapters 1 - 4
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| Synonym for revolution | orbit
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| Month of the Winter solstice in the Northern hemisphere | December
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| Shape of a planet's orbit; synonym for oval | Ellipse
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| Angle between the horizon and an object in the sky | Angle of separation
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| Imaginary line that runs through the middle of an object around which the object orbits | Axis
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| Either of 2 times of the year when either the North Pole or the South Pole is most directed towards the sun | Solstice
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| One of the equinoxes occurs in September; the other occurs during this month | March
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| Apparent path of the Sun, Moon and planets as seen from Earth | Ecliptic
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| The larger the angle of separation, the _______ an object appears in the sky | Higher
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| The current North Star | Polaris
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| Time of day when the sun is at its highest point for a given location | Solar noon
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| Direction that the Earth spins on its axis and revolves around the sun | Counterclockwise
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| Amount of time that it takes an object to orbit another object one complete time | Orbital period
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| Star closest to the point in the sky where Earth's northern axis tilts | North star
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| Spinning of an object as it turns on it axis | rotation
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| Movement of one object around another | revolution
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| Month of the Summer solstice in the Northern hemisphere | June
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| The "shortest" day of the year occurs on this solstice | Winter
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| Number of hours it takes for the Earth to rotate once on its axis | 24
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| Number of days it takes for the moon to rotate once on its axis and revolve once around the Earth | Approximately 27.3 days
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| The amount of tilt of the Earth on its axis | 23.5 degrees
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| The number of days it takes the Earth to complete one revolution around the sun | 365.25 days
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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.
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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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