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23 Cards in this Set
- Front
- Back
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telescope
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a tool that makes distant objects appear bigger, closer, clearer, and brighter
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magnify
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to make an object appear bigger
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optical telescope
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magnifies distant objects by collecting light
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Hubble space telescope
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What is an example of an optical telescope?
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Hubble Space Telescope
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an optical telescope in space that travels around Earth taking clear pictures
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radio telescope
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magnifies distant objects by collecting radio waves & locates objects that does not give off light
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space probe
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a craft that travels into space with instruments but not people; it takes pictures and collects data
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optical and radio
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Name two types of telescopes.
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Stars
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a big ball of hot gases that gives off light and heat
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sun
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What is an example of a star?
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Billions and Billions
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How many stars are there?
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thousands
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How many stars can you see with the unaided eye?
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super giant, giant, medium, white dwarf, neutron
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Name the sequence of the size of stars, biggest to smallest.
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sun
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What is an example of a medium sized star?
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Blue, White, Yellow, Orange, Red
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Name the colors of the stars.
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Blue
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Which star is the hottest?
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Red
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Which star is the coldest?
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temperature
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What determines the color of a star?
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size & temperature
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What does brightness depend on?
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light
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A star gives off its own ______________.
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light
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When a star is hotter and bigger and will give off more ______.
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position
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Stars stay relatively in one ______.
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the earth rotates
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What makes a star appear to move?
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