What is the term for one full orbit around the Sun?
Revolution
What is the difference between a meteor and a meteorite?
Meteors are still in the atmosphere & a meteorite is a fragment of space rock that has landed on earth.
Nickname for Mars is?
The Red Planet
Which planet has the Great Red Spot?
JUPITER
Most planets orbit in the same direction which is?
Counterclockwise
What is the term for one full spin around the planets axis?
Rotation
What are planetesimals?
asteroids & comets that are oddly shaped and stick together.
Only planet with liquid water present?
Earth
Which planet has lightning storms?
Saturn
What are the five planets we can see with the naked eye?
Mercury, Venus, Mars, Jupiter, Saturn
Which planet is the only planet to rotate clockwise?
Venus
in steps to forming a planet, what are planets called when they do not have a solid crust yet?
Protoplanets
Mercury
Which planet is home to Olympus Mons
MARS
What are comets nicknamed?
Dirty Snowballs!
What is the term for when an object escapes a planet's gravity?
Escape Velocity
What is the outermost belt of our solar system called?
Kuiper Belt
What makes Venus the hottest planet? (two things)
It has a thick atmosphere & has the most volcanoes
Which planet is home to the Great Dark Spot?
NEPTUNE
The Outer planets are known as _______ Giants.
Gas
Why is venus tilted upside down?
Venus may have had a large impact from a asteroid or comet that caused this.
The sun & planets formed from gas and dust into a
Solar Nebula
Why does Earth experience seasons?
Because Earth is tilted on its axis.
Methane Ice gives these two planets their blueish-green color:
Neptune and Uranus
What three things must be present to be considered a planet?
1. orbits a star (sun)
2. nearly round
3. clears the neighborhood