Gravity
The force that keeps us on Earth
Gravity
A huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
a galaxy
What was the universe before the Big Bang occurred
A atom
The first planet closest to the sun
Mercury
What is the largest outer planet
Jupiter
When was gravity discovered
1665
The galaxy we live in
the Milky Way?
When did the big bang occur
13.8 billion years ago
Describe the features of the inner planets
small,rocky,terrestrial,hot magma core
Which planet is no longer a planet
Pluto
who discovered gravity
Isaac Newton
The closest galaxy to us
the Canis Major Dwarf Galaxy
Name 2 things in the universe
Galaxies and stars
True or False:
The inner planets are NOT inside the asteroid belt
False
True or False:
The outer planets are inside the Kuiper Belt
true?
does the sun have a greater gravitational pull than the earth
No
About how many galaxies are in our local group
36 galaxies
who made the big bang theory?
Georges Lemaître
How many inner planets are there
4
how many outer planets are there (NOT including pluto)
4
What force keeps the solar system together
the gravitational pull from the sun
How many solar systems are in our galaxy?
3,916 solar systems within our galaxy
When was the big bang theory made
In 1931
The order of the inner planets closest to the farthest away from the sun.
Mercury,Venus,Earth,Mars
The order from the closest to the asteroid belt to the farthest away.
Jupiter,Saturn,Uranus,Neptune