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How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Axis
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An imaginary vertical line through the center of the sun
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A what line? Through the center of what? |
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Big Bang Theory:
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Theory that states that the universe began to expand with the explosion of concentrated matter and energy and has been expanding ever since.
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The universe began to expand with what? |
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Binary System
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Member of a double star system
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Member of what? |
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Black Hole
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Core of a supermassive star that remains after a supernova; the gravity of the core is so strong that not even light can escape.
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what remains after a supernova? |
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Constellations
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A group of stars that form a pattern
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A group of what? |
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Galaxy
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A huge collection of stars
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A huge collection of what? |
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Elliptical Galaxy
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Varies in shape from spherical to flat
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Varies in shape |
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Irregular Galaxy
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No definite shape
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No what? |
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Spiral Galaxy
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Pinwheel shaped with spiral arms (our galaxy Milky Way
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Our glaaxy Milky Way |
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Gravity
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A force of attraction between objects
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A force of... |
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Layers of the sun
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Three layers make up the sun's atmosphere, and one layer makes up its interior
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Three |
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Chromosphere
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Middle layer of the sun's atmosphere
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Middle layer.... |
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Corona
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Outermost layer of the sun's atmosphere
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Outermost |
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Photosphere
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Innermost layer of the suns atmosphere
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Innermost layer of .... |
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Core
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Center of the sun
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middle |
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Nebula
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Massive cloud of dust and gas between stars
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Massive cloud of? |
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Nova
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A star that suddenly increases in brightness up to 100 times in just a few hours or days
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This suddenly increases in brightness up to 100 times |
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Planets
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Murcury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
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My very educated mother just served us nine pizzas |
