Earth Science chapter 27 vocab
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| Electromagnetic spectrum | arranged according to wavelength and frequency,
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| Refracting telescope | used lenses to bring visible light to a focus.
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| Reflecting telescope | Telescopes that bring visible light to a focus with mirrors
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| Interferometry | technique that uses the images from several telescopes to produce a single image
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| Albedo | percentage of incoming sunlight that its surface reflects
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| Highland | heavily cratered regions of the moon that are in light color and mountainous
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| Mare | dark, relatively smooth plains
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| Impact crater | craters on the moon
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| Ejecta | The material blasted out during these impacts fell back to the moons surface
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| Ray | radiate outward from the impact site much like spokes on a bike wheel
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| Rille | Valley like structures that might be collapsed lava tubes
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| Regolith | breaking and heating of surface rocks and resulted in a layer of loose, ground up rock
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| Ecliptic plane | the plane of earths orbit
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| Solstice | the sun is overhead at its farthest distance either north or south of the equator
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| equinox | Earths axis is perpendicular to the sun's rays and at noon the sun is directly overhead the equator
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| synchronous ratation | The state at which its orbital and rotational periods are equal
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| Solar Eclipse | Occurs when the moon passes directly between the sun and the earth and blocks the sun from view.
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| Perigee | The closest point in the moons orbit to earth
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| Apogee | The farthest point in the moons orbit to the earth
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| Lunar eclipse | occurs when the moon passes behind Earth in relation to the sun
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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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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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