PLANETS
GALAXIES
ASTRONOMERS
ELECTROMAGNETIC SPECTRUM
ROTATION AND AXIS
100
big and red
What is Mars
100
spiral shaped
What is a spiral galaxy
100
Suggested earth rotated on its axis
Who is Aristarchus
100
used in hospitals
What is x-rays
100
takes 365 days
What is Earth revolution around the sun
200
has 67 known moons
What is Jupiter
200
oval shaped
What is irregular galaxy
200
said sun was in the center of the universe
Who is Nicholas Copernicus
200
longest waves
What is radio waves
200
takes 17.7 hours to revolve around sun
What is Neptune
300
planet closest in size to earth
What is Venus
300
ellipsoidal shape and smooth featureless brightness
What is elliptical galaxy
300
discovered Uranus
Who is William Herschel
300
bottom of the wave
What is trough
300
rotates around sun while moons rotate around______
What is planet
400
Triton is largest moon of what planet
What is Neptune
400
millions and billions of stars together with gas and dust
What is a galaxy
400
made a theoretical prediction about black holes
Who is Stephen Hawking
400
waves you can see
What is visible light waves
400
tilt of 90 degrees
What is Uranus
500
orbits in Kuiper belt
What is Pluto
500
described by Edwin hubble
1936
500
discovered the the Kepler supernova remnant
What is Johannes Kepler
500
most dangerous wave
What is gamma waves
500
tilt of 27 degrees
What is Saturn
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