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8th Astronomy Final

Astronomy final 8th grade

QuestionAnswer
What is the distance it takes a lens or mirror to focus parallel rays of light down to a point? Focal Length
Was the first to create what the universe looked like Ptolemy
Said the sun was the center and the planets oribited around the sun Copernicus
Mercury, venus, mars, Jupiter and Saturn went around the sun and the sun went around the Earth. Brahe
Wrote 3 books on laws, sun was center of universe, knew about all planets up to Saturn, came up with Eclipse(OVAL) Kepler
stars of the milky way, thermometer, telescope, and compass, found 1st six planets, theory of tides, 4 moons of jupiter, forced by christian church to say theories were false Galileo
made light through rainbow, discovered gravity, eclipse, around sun, up to saturn Newton
medium aged galaxy type(andromeda, milky way) spins in a circle with lines coming out spiral
younger than spiral galaxy, 2 bars with spherical shape coming out of it barred spiral
our sun is a average star
the sun appears to rise and set because earth rotates
our sun produces energy through nuclear fusion in which the element ____ combines to make ____ hydrogen, helium
rotation rotates around itself and takes 24 hours
revolution when the earth orbits the sun and takes 365.25
solstices happen in summer and winter
equinox's happen in fall and spring
moon revolves around the earth once every days 27.3
as the lightened portion of the moon appears to get larger, it is said to wax
name two main structures on the moon ejecta blanket ejecta ejecta rays crater
name one of jupiters moon ganymede
studies the changes in the seasons gnomen
umbra total eclipse
penumbra partial eclipse
solar eclipse moon blocks sun
lunar eclipse moon moves into earths umbra
mercury 0 moons 0 rings
venus 0 moons 0 rings mantle has currents and has volcanos on surface
earth life, 1 moon luna 0 rings
mars 2 moons decibes phobos 0 rings
jupiter 6-20 moons, 6 rings
saturn 60 moons, 4 rings
uranus 3rd largest planet, 17 moons 11 rings
neptune 13 moons
pluto dwarf planet, 3 moons
Created by: abrdy97@aol.com
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