Astronomy 112
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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| Solar System | The sun and all orbiting objects
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| Constellation | a grouping of stars as observed from earth
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| Light Year | The distance light travels in a year (in a vacuum)
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| Comet | "dirty snowball" model, made of dust and ice
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| Meteor | if pulled by Earth's gravity they usually burn up due to friction with atmosphere ("shooting star")
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| Asteroids | made of rock and metal, orbit sun but too small be a "planet", most found in the "Asteroid Belt"
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| Star | massive celestial bodies composed of gases, radiate huge amounts of energy (luminous)
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| Big Bang Theory | Theory of the universe formed 15 billion years ago, all matter on earth expanded from a point (a hot, dense mass with an incredibly small volume)
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| Galaxy | a huge rotating collection of stars, gas, planet, billions throughout universe
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| Solar Eclipse | Moon passes directly between the sun and Earth
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| Lunar Eclipse | Moon passes into Earth's shadow
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| Polaris | Ursa Minor, points close to a bright star
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| Ursa Major | First Nations peoples saw it as a bear ("The Great Bear") running from hunters, "Big Dipper"
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| Ursa Minor | Constellation of "The Little Bear"
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| Nebula | a massive cloud of gas and dust
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| New Moon | The lighted part of the moon faces towards the Earth
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| Black Holes | collapsed remnants of giant stars, core collapses into a "black hole", quantity of matter so dense and with gravity so strong that no light can escape
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| Gravity | every object with mass in the Universe attracts every other object, the more massive the object and the closer they are to each other, the greater the force of gravity. Earth's gravity keeps moon in orbit, Earth by sun's gravity
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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:
tart612
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