An ellipse causes BALANCE. (Everything is trying to find balance in space)
The force by which a planet or other object draws objects near it
Gravity
The distance between the sun and Earth is 1 of these
1 AU
Let's say an asteroid is floating equal distance between Neptune and a black hole. Which way would the asteroid gravitate towards?
Black hole
The nebular hypothesis is the theory of how the _____________ formed
Solar System
What shape do the planets orbit in around the sun in our solar system?
Ellipse
Why are asteroids not a perfect sphere?
They do not have enough mass to squish them into a sphere by gravity
The distance light can travel in 1 earth year
Light Year
What is stage 2 of the formation of a universe?
A protostar begins to form in the center
Waves transfer ________ not matter
Energy
The amount of “stuff” in an object
Mass
Which bends space more? Higher mass objects or lower mass objects?
Higher Mass
Einstein claimed that space is like ____________________ (Theory of Relativity)
A sheet of fabric
What is the minimum speed required to escape a planet's gravitational pull?
Escape Velocity
Which has the most gravity? An asteroid, a planet, a sun/star, a black hole?
Black hole
Why does the moon orbit the Earth and not the Sun?
It is closer to Earth's gravitational field
True or False: Space Bends due to objects with mass
True
What was Einstein's theory called about space being like a sheet of fabric?
Theory of Relativity
What is a cloud of gas and dust that gathers due to gravity? (Stage 1)
Nebula
What is the last stage of the formation of the universe - where the force of gravity attracts more and more materials, going faster and faster (Vocab Word)
Accretion
Why is everything a sphere in space?
Gravity acting equally on all sides
How many stages are there in the formation of the universe?
4
More mass = ______ gravity
More
How many mm (millimeters) in ONE cm (centimeter)
10 mm
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