Mercury & Venus
Which planet is the closest to the sun?
Mercury
What makes Earth the only planet known to support life?
Earth has Liquid water, oxygen and the right temperature range.
What is the largest planet in the solar system?
Jupiter
Which planet has the most moons?
Saturn has been known to have the most moons.
How many planets are in our solar system?
They're eight planets
Why is Venus called Earth's "sister planet"?
They have similar sizes masses
Why is Mars known as the Red Planet?
Mars surface is covered with iron, or rust, giving it that red color
What are Saturn's rings made out of?
Ice, Rock, and dust particles
Whats Jupiter's largest moon called?
Jupiter's largest moon is called Ganymede
Which planet used to be the 9th planet before it got reclassified?
Pluto
Why is Venus the hottest planet even though its the closest to the sun?
It has a thick atmosphere of carbon dioxide which creates a greenhouse effect and traps heat.
Why do seasons occur on Mars like they do on Earth?
Mars has a tilted axis that changes how the sunlight hit it
Why does Jupiter have colorful cloud bands?
Strong winds and gases and hydrogen create stripes in its atmosphere
Which moon has large lakes of Methane?
The moon is called Titan
What is the asteroid belt?
A region between Mars and Jupiter filled with rocky bodies
Why does Mercury have almost no atmosphere?
Mercury has low gravity and its closeness to the sun makes it difficult to hold onto gasses
What does the thin atmosphere on Mars cause?
Causes the planet to be very cold and unable to hold heat
Why does Neptune look blue?
Neptune has Methane in its atmosphere and absorbs red light which reflects blue.
Which one of Jupiter's Moons might have an ocean under its icy surface?
The moon is called Europa
What are Gas giants mostly made of?
Hydrogen and helium gas
What makes Venus rotate in the opposite direction from most planets?
Venus has spun backwards after being hit by a large object a very long time ago.
What evidence shows that Mars once had liquid water?
Dried up river beds and minerals that only form in water.
Why are Uranus and Neptune called "ice giants"?
They contain more ice and heavier elements.
What are Saturn's rings gaps caused by?
Small moons called shepherd moons
What is Comets tail?
A stream of Dust and gas particles that is ejected from the center of a comet