INNER PLANETS
What is the smallest planet?
Mercury
What is the biggest planet?
Jupiter
Does the earth revolve or rotate around the sun?
Revolve
How long does it take the Earth to rotate?
24 hours
How could we colonize Venus?
HAVOC - living in atmosphere
What is the hottest planet?
Venus
Which planets are known as Ice Giants?
Uranus and Neptune
What is referred to as a dirty snowball?
A comet
What force keeps the planets around the sun?
Gravitational
Which moon are we looking at to possibly colonize?
Europa
Which planet has microbial life in the atmosphere?
Venus
What is the coldest planet?
Uranus
How is an AU measured?
The distance between the sun and the earth
Can something not round be a planet?
No
Terrestrial planets all have these two things in common
Metallic inner core and outer crust
Why is Mars known as the Red Planet?
Iron content
What do we call the four outer planets?
Gas Giants
How big is an AU?
150 milliion km
Why was Pluto downgraded to a Dwarf planet?
It can't clear it's atmosphere
ET, the Extra Terrestrial, has to be from one of these three planets.
Mercury, Venus, or Mars
Name the 4 inner planets in order from the sun
Mercury, Venus, Earth, Mars
Which planet is tipped on its side?
Uranus
What is the difference between an adtroid and a comet?
Astroid is mostly rock, Comet is gas, dust, and ice
What year did Pluto get downgraded to a Dwarf planet?
2006
What two planets have the most greenhouse effect?
Venus and Earth