Universe
Galaxies
Stars
Solar Systems
Exploration
100
Exists when one object attracts another
What is gravity
100
Elliptical or spiral
What shapes of galaxies are there
100
ball of gas with nuclear reactions in atmosphere
What is a star
100
they are made up of chunks of ice and dirt
What are comets made of
100
Space craft that orbits the earth only and is unmanned.
What are Satellites?
200
Classified by the frequency of their wavelengths
What is energy
200
barred-spiral
What type of galaxy is the Milky Way
200
areas in space with huge amounts of mass
what is a black hole
200
over 20
How many moons does Jupiter have?
200
Concave, Convex, and Planar.
What are 3 shapes of lenses?
300
no molecules, atmosphere, pressure
What is the vacuum of space
300
because of our perspective
Why do galaxies look sqaushed
300
binary star
What is it called when a star has a twin
300
termination shock
What is inside the heliopause
300
Venus, Mars, Mercury, Saturn, Jupiter, Moon
What are the planets that we have sent shuttles to
400
Travel at speed of light when in a vacuum of space
What is EM radiation
400
90%
What percentage of galaxies is dark matter
400
by energy emitted every secound
How do scientists measure luminosity
400
A dwarf planet in 2008
What year was Pluto reclassified? And as what
400
launched in 1977
What are Voyagers 1 and 2
500
Makes the feather move slower when falling
What is resistance
500
galaxy m101
What galaxy contains new x-ray sources
500
the quality of a star used to determine it's tempature
What is a star's color
500
ammonia
What gives Saturn is color?
500
first shuttle to make it into orbit
What is Columbia Shuttle