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Science, 9/11/19

QuestionAnswer
Mercury, Venus, Earth, Mars are__________planets Inner
Jupiter Saturn Uranus and Neptune are_________planets Outer
Key facts; formed in ___________ regions of space, are not solid, larger than our planets, and are mostly made up of gas materials (called _______________) Cooler and gas giants
_____________ are frozen gases, Ice, dust, and rocks that moves in an ____________around the sun Comets and elliptical orbit
___________ are rocks that revolve around the sun. Most are in the___________. Astroids and astroid belt
__________Enters earths atmosphere and burns as it travels through Meteor
Meteorite Is a ____________that lands on the ground. Meteor
The universe holds over ________ galaxies 100 billion
Stars Exist in groups, held together by gravity. This is a fact
_________Clusters: Groups of a few hundred to a few thousand ________stars Open And young
________ clusters: tighter and denser groups of __________ to millions old stars Globular and thousands
Open and globular clusters make up __________ Gala
Most galaxies have________ Black holes
Galaxies are made up of _________of stars, planets, and clouds of dust and gas! Billions
Black holes are large masses that help ________galaxies together Hold
Galaxies are grouped into galaxy__________ Clusters
Galaxy clusters are grouped __________into that are held by gravity Super clusters
Astronomers use ________to describe distance in Space Light years
One light year is the distance that light can travel in _______year One
The distance to a star in light years is the amount of time in ________that ________from the star talk to reach us Years and light
The nearest star to the sun is _________away, Proxima Centauri 4.3 light years
Looking into space is looking into the____________ Past
Stars are ________To each other compared to galaxies Close
Our solar system is part of the galaxy called the________ Milky Way
The Milky Way is shaped like _______and has 200 to 400 billion stars A spiral
Milky Way is _________than average spiral galaxies Longer
Created by: scampo2
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