Space vocab
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| Universe | Outer space and everything in it.
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| Star | An object made of gas that gives off it’s own light due to nuclear reactions.
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| Nebula | A large cloud of gas and dust in space where stars form.
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| Galaxy | A a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
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| Spiral Galaxy | A galaxy with a bulge in the center and distinctive spiral arms.
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| Irregular Galaxy | A galaxy with an irregular shape.
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| Elliptical Galaxy | A spherical or elongated-shaped galaxy.
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| Milky Way Galaxy | The name of the galaxy where we live.
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| Moon | A natural satellite of a planet.
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| Comet | A body of ice, rock, and dust that orbits the sun.
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| Light Year | A measure of the DISTANCE light travels through space in one year.
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| Luminosity | A measure of how bright a star is.
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| H – R Diagram | Shows the relationship between luminosity, classification, and temperature of stars.
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| Asteroid | A small, rocky body that revolves around the Sun.
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| Meteor | A bright streak of light caused by the burning of a piece of rock from space as it enters the Earth's atmosphere.
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| Electromagnetic Spectrum | The range of all the waves that can travel through matter as well as empty space.
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| Astronomy | the branch of science which deals with celestial objects, space, and the physical universe as a whole.
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| The Sun | The star around which the planets and other objects in our solar system revolve.
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| Constellation | A recognizable star pattern.
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| Black hole | The remains from the death of a star. It is so massive that not even light can escape its gravitational pull.
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| Big Bang Theory | A theory that states that all matter in the universe began with one tremendous explosion
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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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