astronomy
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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| red dwarf | show 🗑
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| Red Giant | show 🗑
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| show | the largest known type of star;some are almost as large as our entire solar system. Betelgeuse and Rigel are these.
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| show | a small, very dence, hot star that is made mostly of carbon
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| show | a star whose mass is too small to have nuclear fusion occur at its core. They are not very luminous.
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| show | a very small, super dense star which is composed mostly of tightly packed neutrons has a thin atmosphere of hydrogen. It has a diamerter of about 5-10 miles and a density of 10000000000000000gm/cm3.
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| pulsar | show 🗑
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| Double star | show 🗑
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| Binary star | show 🗑
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| show | two close stars that appear to be a single star varying in brightness. The variations in brightness is due to the stars periodically obscuring or enhancing one another. The binary star sysetem is titledso that its orbital plane is viewed from its edge.
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| X Ray Binary star | show 🗑
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| asteroid | show 🗑
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| asteroid belt | show 🗑
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| show | the center of mass in a system of two orbiting bodies
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| celestial sphere | show 🗑
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| centripetal force | show 🗑
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| show | stars that never rise or set because their star trails do not intersect the horizon
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| show | massof fromzen gases revolving around the sun, generally in a highly eccentric orbit
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| show | the darkening of a celestial body as it passes throughthe shadow of another body, the obscuration of all or part of the sun by a celestial body
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| show | the time when the sun crosses the plane of the earth's equator making night and day of approximately equal lenght all over the world
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| show | a star that occupies a fixed point on the celestial sphere
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| gibbous moon | show 🗑
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| lunar eclipse | show 🗑
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| meteor | show 🗑
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| show | a meteorid that reaches the surface of the Earth or another planet or moon
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| show | a rock in space on a collision couse with the earth, sources of meteorids include comets and colliding asterois
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| show | an eventcaused by the earths passage through the orbit of a comet, where it will collide with an increased number of meteoroids, it happens at the same piont in the Earth's orbit and thus on the same date every year
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| partial lunar eclipse | show 🗑
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| show | the light shadow outside the dark shadow of an opaque body, where the light from te source of illumination is partially cut off
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| solar corona | show 🗑
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| show | a streak made by stars on photographs of the sky, caused b Earth's rotation
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| show | the dark shadow of an opaque body,ehere diret light from the source of illuminationis completely cut off
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| show | any phase during with the illuninationfraction of the face increases
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| show | the point in the sky directly above the observer, opposite the nadir
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| nadir | show 🗑
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| show | a burned out small star
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Created by:
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