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galaxies

QuestionAnswer
Elliptical galaxy oval-shaped, most are lower mass, most abundant galaxies in the universe
Irregular Galaxy no defined shape, no clear bulge or disk, the leftovers of two collided galaxies
Spiral Galaxy Spiral/ disk shaped, has 'arms', dense center
What is a light year? The distance light travels in one year
how fast does a light year travel? 186,000 a miles/second or 671 million miles/hour
What is a galaxy? it is a system of millions or billions of stars, made of gas and dust, held together by gravitational attraction .
how much stars does our galaxy (milky way) have? 200,000,000,000 stars
True or False: galaxies are all the same shape and size. False
What is the closest star the sun? Proxima Centauri (4.24 light years away).
What is the nearest star to OUR sun? Alpha Centauri (42 trillion km away).
1 light year= 10,000,000,000,000 km
What galaxy usually has the most stars? Spiral Galaxy
the closest galaxy to us is... Andromedic Galaxy
andromedic galaxy has how many planets? over 100 planets
Created by: chloewalerius
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