Marano- Sun, Constel
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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| Name the layers of the sun | corona, chromosphere, photosphere, convective zone, radiative zone, core
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| Corona | sun's outer atmosphere
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| chromosphere | deep red layer under corona, only visible during a solar eclipse
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| photosphere | gases are thick enough to see on visible surface
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| convective zone | hot gases rise, cool and sink
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| radiative zone | very dense that light may take millions of years to pass through
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| core | where energy is produced through nuclear fusion
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| sunspots | areas which are a little cooler on the sun
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| solar flares | giant storms on the surfaces of the sun creating light shows
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| auroras | light shows
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| constellations | sections of the sky that contain 1 of 88 imagined pictures made by stars in the night sky
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| apparent motion | because of the Earth's rotation stars appear to circle around Polaris
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| circumpolar stars | stars that circle around Polaris
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| Actual motion | take thousands of years to move- we are moving
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| Ursa Minor | contains the Little Dipper, North Star at end of pan handle
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| Ursa Major | contains Big Dipper
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| pointer stars | two stars farthest from the handles that point to Polaris
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| asterism | a picture made by stars within a constellation
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| Orion | the hunter
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| light years | distance by which we measure stars because they are so far away
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| Astrolabe (quadrant) | tool used to find the altitude of a star or celestial object
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| Altitude | angle between the star and the horizon
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| horizon | light where the sky and the Earth appear to meet
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| Zenith | the point directly overhead- 90 degrees
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| Change with latitude and time of year | altitude, horizon, and zenith
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| celestial sphere | imaginary sphere that surrounds the Earth
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| celestial equator | Equator's location on the celestial sphere
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| Vernal equinox | where the Sun first passes on the first day of spring
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| Right Ascension | hours East of the vernal equinox
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| Declination | degrees North or South of the celestial equator
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| Ecliptic | Apparent path the Sun takes across the celestial sphere
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
seagullq
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