Lesson 5 Star Systems and Galaxies
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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| Binary star | A star system with two stars
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| Eclipsing Binary | a binary star system in which one star periodically blocks the light from the other
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| Open Cluster | a star cluster that has a loose, disorganized appearance and contains no more than a few thousand stars
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| Globular cluster | a large, round, densely-packed grouping of older stars
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| Galaxy | a huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
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| Spiral galaxy | a galaxy with a bulge in the middle and arms that spiral outward in a pinwheel pattern
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| Elliptical galaxy | a galaxy shaped like a round or flattened ball, generally containing only old stars
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| Irregular galaxy | a galaxy that does not have a regular shape
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| Quaear | an enormously bright, distant galaxy with a giant black hole at its center
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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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Created by:
dguilliams
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