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Astronomy Test 2

QuestionAnswer
The natural satellite that travels around our earth. The moon
A celestial object that revolves around a star - gaseous or solid planet
A celestial object that emits (gives off)its own light the sun
The earth's star The sun
A star and a group of objects that revolve around the star solar system
A huge cluster of dust, stars, and gas held together by gravity galaxy
What galaxy do we live in? Milky Way
All existing matter and space plus everything we have not discovered yet. universe
Our earth has how many moons? ` 1
What separates the inner and outer planets? The asteroid belt
Name three sets of planets that are similar in size Neptune and Uranus Jupiter and Saturn Earth and Venus
These objects are round in shape and orbit but cannot clear their own orbital path Dwarf Planet
Frozen leftovers from the solar system that are composed of dust, rock and ice. comets
Small rocky debris, leftover from the formation of the solar system 4.6 billion years, asteroids
These have a nucleus, coma, dust tail and ion tail. comets
This separates the inner and outer planets asteroid belt
Small body moving through the solar system that would become a meteor when entering the earth's atmosphere meteoroid
Often called a "dirty snowball" comet
Often called a shooting star meteor
The part of the universe that we are able to see and observe the Observable Universe
The average distance from the earth to the sun is considered what? An astronomical unit
The moon phases, the ellipse of the planets and the seasons are all considered patterns
our sun is a star
Created by: diamay
 

 



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