Inner Planets
What is another name for inner planets?
Terrestrial/Rocky Planets
What is another name for outer planets?
Gas Giants
When two objects move CLOSER together, what will happen to the gravity?
Gravity will increase
Planets rotate on an imaginary line running through their center called their ____
Axis
An object in orbit is also known as a _____
A Satellite
Name the closest planet to the sun
Mercury
Name the 5th planet from the sun
Jupiter
When two objects DECREASE in mass, what will happen to the gravity?
Gravity will decrease
How long does it take for Earth to rotate once on its axis?
24 Hours/1 Day
Name a piece of evidence that proved that Earth was not at the center of our solar system (We talked about two in class)
Jupiter's moons or phases (varying distance) of Venus
Name the 4th planet from the sun
Name the 6th planet from the sun
Saturn
If I took a rocket ship to the moon, which one would change, mass or weight?
Weight
Which planet has the quickest orbit around the sun?
Mercury, our closest planet to the sun
What object(s) separates our inner planets from our outer planets?
The Asteroid Belt
Name the 2nd planet from the sun
Venus
Name the 8th planet from the sun
Neptune
What is the most massive object in our solar system?
The Sun (99.84% of the mass in our solar system!)
How long does it take for Earth to complete one orbit around the sun?
365.25 Days/1 Year
What is an Astronomical Unit (AU)?
The distance from the Earth to the Sun
Which planet in our solar system is the hottest?
Venus
Which planet in our solar systen has the largest mass?
Jupiter
If I weigh 120lbs on Earth, and my weight is 6 times less on the moon, what is my weight on the moon?
~20lbs
In what direction do planets orbit around the sun?
Counter-Clockwise
Name an old dead dude and what he did.
Copernicus was the first to argue that planets orbit the sun
Galileo was the first to back that claim up with evidence
Sir Isaac Newton created the formula for gravity