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18 Cards in this Set
- Front
- Back
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A ___________occurs when the moon blocks the Sun's light. |
Solar eclipse |
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A ___________is a gigantic ball of very hot gases that give off electromagnetic radiation. |
star |
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______________stars are the coolest. __________ or ___________stars are the hottest. |
Red White or blue-white |
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Give 4 characteristics of our Sun. |
A medium-sized star Its energy comes from the fusion of hydrogen and helium atoms Gives off thermal and light energy Closest star to Earth |
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The brightest stars are the stars that give off the most ____________. |
energy |
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The distance light travels in one year is a __________________. |
light year |
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_____________ is the part of the Sun that gives off the light energy that we see. |
Photosphere |
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________________are part of the photosphere,looks dark because they are cooler than the rest of the photosphere. |
Sunspots |
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A _____________is born in a fiery cloud of gas and dust called a nebula and dies when it runs out of fuel (hydrogen). |
star |
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___________________________ occurs at the end of the end of the life of some stars. |
Supernovagigantic explosion |
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____________________ is a point in space that has such a strong force of gravity that nothing within a certain distance of it can escape getting pulled into it. |
Black hole |
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Our system is part of a spiral shaped galaxy called the _________________. |
Milky Way |
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_______________is a huge system of stars, dust, and gas held together by gravity. |
Galaxy |
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All galaxies constantly ____________through space. |
move |
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_______________is a type of galaxy that looks like a pinwheel , bright in the middle with wispy arms spreading out from the center. |
Spiral |
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A type of galaxy with no real shape is ________. |
irregular |
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A type of galaxy that is almost round or oval like a football is ___________. |
elliptical |
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______________is a group of stars that forms a pattern that appears to move across the sky because Earth rotates. |
Constellations |
