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29 Cards in this Set
- Front
- Back
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How many moons does Mars have?
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2
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How many moons does Jupiter have?
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28
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How many moons does Saturn have?
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30
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How many moons does Uranus have?
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21
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How many moons does Neptune have?
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8
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How many moons does Pluto have?
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1
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What is the difference between Asteroids and Comets?
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Comet small body of rock, ice and cosmic dust
Asteroid small rocky orbit around sun |
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What is the difference between rotation and revolution?
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rotation- the planet spinning
revolution- motion around a planet |
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Core?
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center energy produced
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Radiative Zone?
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second can take millions of years for light to pass through
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Convective Zone?
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third gases circulate in convection currents
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Photosphere?
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fourth visible from the sun
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Chromosphere?
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fifth deep red seen only in solar eclipse
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Corona?
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last visible during solar eclipse 10-12 time the diameter of sun
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Tetestrial?
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sun-mars
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gas planets
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jupiter-neptune pluto-ice
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blue stars
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hot burn up quickly turn into giants or supergiants
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red stars
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cooler turns into supergiant
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white dwarf stars
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hot leftover senter of a star
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red dwarf stars
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low mass remain on main sequence long time oldest in galaxy cooler
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super nova
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death of star
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black hole
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left over from supernova form in to it
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where we r
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spiralgalaxy
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ptolemy
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earth middle
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copernicus
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sun middle
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tycho
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earth center butsun and moon revolve around earth machine
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kepler
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planets revolve around sun in elliptical orbits
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galileo
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used telescope moons and phases liked copernicuses
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issac
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explained why planets orbit sun and why moons orbit planets
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