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24 Cards in this Set
- Front
- Back
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The sun's ________ is the layer we see.
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photosphere
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A dark area on the sun that is caused by twists and loops in the sun's magnetic field is a _____________.
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sunspot
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A _________ is a brief burst of energy that occurs above a sunspot.
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solar flare
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The __________ is a fast-moving stream of particles ejected into space.
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solar wind
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Two stars the same distance from earth that give off the same amount of light will appear to have the same _________.
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magnitude
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The sun's atmosphere is the __________.
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corona
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The classification group to which most stars belong is the ____________.
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main sequence
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The ________ is everything that exists.
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universe
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A group of stars, gas, and dust is a _______.
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galaxy
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A _________ is the distance light travels in one Earth year.
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light-year
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Use the following words to define your place in space starting with the smallest concept and ending with the largest: solar system, universe, Earth, Local Group, Milky Way Galaxy
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1. Earth
2. solar system 3. Milky Way Galaxy 4. Local Group 5. universe |
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At the center of a solar system is a _________?
A. galaxy B. moon C. planet D. star |
D.star
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The surface of the sun is the part we can see. It is called the __________?
A. core B. photosphere C. chromosphere D. corona |
B. photosphere
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Sunspots can cause brief bursts of energy known as solar __________?
A. flares B. auroras C. prominences D. fusion |
A. flares
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The sun is a huge mass of _________?
A. metals B. gases C. light D. liquids |
B. gases
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The hottest in the main sequence are also the _____________?
A. brightest B. largest C. least bright D. smallest |
A. brightest
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The Milky Way Galaxy is located in the Local Group, a ____________?
A. universe B. nebula C. galactic cluster D. main sequence |
G. galactic cluster
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The Milky Way Galaxy is what type of galaxy?
A. spiral B. elliptical C. irregular D. spiral barred |
A. spiral
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The hottest in the main sequence are also the _____________?
A. brightest B. largest C. least bright D. smallest |
A. brightest
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Energy from the sun travels in the form of what?
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waves
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Which layer is the hottest part of the sun?
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core
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In which layer of the sun are the cooler particles pulled down by gravity?
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convection zone
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In which layer of the sun do sunspots occur?
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Photosphere
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Astronomers hypothesize that a star forms in a cloud of dust and gas called a ____________?
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nebula
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