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The amount of “stuff” in an object
Mass
The distance between the sun and Earth is 1 of these
1 AU
Waves transfer ________ not matter
Energy
What shape do the planets orbit in around the sun in our solar system?
Ellipse
Why is everything a sphere in space?
Gravity acting equally on all sides
More mass = ______ gravity
More
How many stages are there in the formation of the universe?
4
What is a cloud of gas and dust that gathers due to gravity? (Stage 1)
Nebula
What is stage 2 of the formation of a universe?
A protostar begins to form in the center
Why does the moon orbit the Earth and not the Sun?
It is closer to Earth's gravitational field
What was Einstein's theory called about space being like a sheet of fabric?
Theory of Relativity
Which has the most gravity? An asteroid, a planet, a sun/star, a black hole?
Black hole
Why don't the planets orbit in a circle?
An ellipse causes BALANCE. (Everything is trying to find balance in space)
The distance light can travel in 1 earth year
Light Year
True or False: Space Bends due to objects with mass
True
The force by which a planet or other object draws objects near it
Gravity
