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bbms heinz astro

bbms heinz astronomy

QuestionAnswer
comet often called a dirty snowball. ice and dust in orbit around a star that develops a tail when near a star.
universe a collection of galaxies, solar systems. all of outer space
solar system a group of planets, moons, asteroids, and comets that orbit a sun or star.
galaxy many, many, solar system that orbit around a black hole
early solar system hundreds of moon sized planets, often crashing into each other creating bigger planets.
current solar system many objects moving around the sun, yet almost all stay in their orbit and collisions are very few.
meteoroid a small rock (usually from a comet) in space
asteroids most orbit between Mars and Jupiter.
planet orbit the sun, gravity to be round, owns the orbital path
meteor a meteoroid in the atmosphere
meteorite meteoroid on the ground
dwarf planet round, orbits sun, but shares orbital paths
inner planet planet between sun and asteroid
outer planet planet after the asteroid belt
gas planet planet made of mostly hydrogen and helium
terrestrial planet a planet with a surface
nebula where all stars form
main sequence a star in the middle of its life cycle
red giant a star near the end of its life cycle
black hole a massive star at the end of its life cycle
two things keeping objects in orbit velocity and gravity
early solar system hundreds of small planets, lots of collisions
current solar system many objects, orbits create few collisions
waxing the illuminated part of the moon gets bigger
waning the illuminated part of the moon gets smaller
gibbous moon shape, bigger than a quarter but not full
crescent the "C" shaped moon
full moon all of the illuminated moon is visible
new moon the moon is not visible, the illuminated part does not face Earth
moon phases happen because the sun shines on one side and the moon orbits earth.
meteorites sometimes collide with earth, but they are usually very small and no issue
Popular Earth Science sets
Moon Phases
Space vocab
Layers of the Earth
Scientific Method
Earth, Moon & Space
Mr. Holzshu's review of the layers of the Earth, plates, and boundaries.
Plants
Local and Global Winds
Earth Science Vocabulary
structure of earth
plate boundaries
Water Vocab

 

 



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