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55 Cards in this Set

  • Front
  • Back
mercury is ---- miles from the sun at it's closest, and ---- at it's farthest.
46 and 70 million
mercury orbits the sun every ---- days.
88 days.
Mercury rotates on it's axis every ---- days. (hint: also known as the day length).
59 days
Mercury has a small atmosphere due to what?
it's small size and lack of gravity to hold on to it.
mercury has what kind of terrain?
heavily cratered with regions of smooth plains.
Mercury has how many moons?
none.
when can Mercury be seen in the sky?
low in the western sky just after sunset, or in the eastern sky right before sun rise.
Venus is the --- planet from the sun.
second
How does Venus rotate?
slow and in a retrograde motion.
An average day on Venus is what?
243 Earth days
Venus's year is how long?
225 Earth days.
How many moons does Venus have?
none
why is Venus the hottest planet in the solar system?
It's thick sulfuric atmosphere causes an intense greenhouse effect that super heats the planet.
what is a popular nickname for Venus?
Earth's sister (due to their similarities in size)
Mar's day is how long?
24 hours and 29 minutes.
Mar's year is how long?
687 days
How many moons does Mars have
2: Phobos and Deimos
what is the highest point on mars
A dormant volcano named olympus mons which is also the biggest volcano in the solar system.
Jupiter is the biggest planet with a size of what?
483,780,000 miles.
Jupiter rotates the sun every...?
12 Earth years (4,333 days)
Jupiter's day is how long?
9 hours and 56 minutes
Jupiter's gravity is ----- times that of Earth?
2.4
Jupiter has rings.
It's true.
What is Jupiter's great red spot?
It is a giant storm on Jupiter that is big enough to fit two earths.
Jupiter has how many moons?
63
What are Jupiter's 4 largest moons?
IO, Europa, Ganymede, and Callisto
How many of Jupiter's moons actually have names?
16
Jupiter is said to be a what?
failed star.
Saturn is the ---- largest palanet.
2nd
Saturn is most famous for it's...?
rings. (there are 7 main ones with smaller ones in between.)
Saturn is how far from the sun?
840,040,000 miles at it's closest and 941,070,000 miles at it's farthest.
A year on Saturn is how long?
29 and a half earth years.
A day on Saturn is how long?
10 hours and 39 minutes
Saturn was discovered in...?
1610
Saturn has how many moons?
60
The largest of Saturn's moons is what?
Titan
What is the mythology of Saturn
was the Roman god of agriculture and son of Gaia and Uranus
Uranus is how far from the sun?
1,784,860,000 miles
A year on Uranus is how long?
84 earth years.
A day on Uranus is how long.
17 hours and 14 minutes.
How does Uranus rotate?
on it's side
Uranus has how many moons?
21
Uranus was discovered when?
1781
Neptune is located how far from the sun?
2,793,100,000 miles.
Neptune has how many moons?
11
A year on Neptune is how long?
165 earth years
A day on Neptune is how long?
16 hours and 17 minutes.
Neptune has rings.
it's true
Neptune is the planet with the great....?
dark spot. (it vanished in 1994
Every 248 years what interesting fact occurs with Uranus's orbit.
It changes positions with Pluto as the outermost planet for 20 years.
Pluto used to be which planet from the sun?
the ninth
Pluto has how man moons?
3: Charon, Nix, and Hydra
When was pluto discovered?
1930
Pluto is how far from the sun?
3,647,240,000 miles
Pluto is said to be part of what solar feature?
The Kuiper belt.