Astronomy - Outer Planets Review
How long does it take light to get to Neptune?
250.1 minutes
How many moons does Uranus have?
27
How long is a year on Saturn?
29 Earth years
What is the size of Titan compared to all moons in the SS?
2nd largest in the SS
How many AU's to Neptune?
30 AU
How far is the Kuiper belt from the Sun?
30-50 AU
How long has Jupiter's red spot been around?
300 years
How long does it take light to get to Pluto?
328.1 minutes
How much bigger is Uranus compared to Earth?
4 times bigger
How fast does Jupiter's red spot spin?
400 mph
How many missions have there been to Saturn?
5
How far is the Oort Cloud from the Sun?
5,000 - 100,000 AU
How many Au's to Jupiter?
5.2 AU
About how far is it between each asteroid (on average)
600,000 miles
How many moons does Saturn have?
83
How long is a year on Uranus?
84 earth years
How many missions have there been to Jupiter?
9
How much bigger is Saturn compared to Earth?
9 times bigger
How many AU's to Saturn?
9.5 AU
How many moons does Jupiter have?
92
What makes a dwarf planet a dwarf planet?
A small planet that has enough mass for its gravity to be balanced.
How does temperature compare to other planets in our solar system?
Coldest planet at -353 degrees F
Why don't we count dwarf planets as official planets?
It is not large enough to clear the neighborhood of other material around its orbit.
What is the location of the 4 Galilean Moons?
Jupiter's Moons (#'s 5-8)
Who is Saturn named after?
Kronos
What is unique about the spin of Uranus?
Spins opposite of Earth
What is the relationship between the distances between the Kuiper Belt and Oort Cloud?
The Kuiper Belt is closer to us while the Oort Cloud is closer to the edge of the solar system.
Why does Jupiter have the shortest day?
The more massive a planet, the faster it spins.
Who is Jupiter named after?
Zeus
What is Jupiter's giant red spot?
hurricane
Who is Neptune named after?
Poseidon
What classifies an asteroid as an "asteroid" and where did they come from?
Rocky worlds revolving around the sun and came from a planet that was never born.
How does pressure at the bottom of Earth's ocean compare to the pressure in the core of Saturn?
Saturn's core is much heavier than Earth's ocean.
What are some of the moons of Uranus named after?
Shakespearean Characters
How much bigger is Neptune compared to Uranus?
Similar in size
How many moons does Neptune have?
14
How long is a year on Neptune?
165 Earth years
How long is a day on Neptune?
18 hours
How long is a day on Uranus?
18 hours
How many AU's to Uranus?
19 AU
When was the first mission to Jupiter?
1972
When was the first mission to Uranus?
1977
When was the first mission to Neptune?
1977 (12 years)
What is the distance out to the asteroid belt?
2.2 - 3.2 AU
Which one of Jupiter's moons is the largest?
Ganymede
All of the outer planets are primarily in what state of matter?
Gas
Who is Uranus named after?
God of the Sky
What is unique about the tilt of Uranus?
Greatest tilt at 98 degrees
What are the rings of Saturn composed of?
Ice
Name the 4 Galilean Moons.
Io, Europa, Ganymede, Callisto
How much bigger is Jupiter compared to Earth?
11 times bigger
How long is a year on Jupiter?
12 Earth years
What is the average temperature on Neptune?
-353 degrees F
How many missions have there been to Neptune?
1
How many missions have there been to Uranus?
1
Fill In The Blank: All have __1__ around them and a __2__, __3__ core.
1. rings 2. small 3. ice
How long is a day on Jupiter?
10 hours
How long is a day on Saturn?
10 hours
What is unique about the wind and density of Saturn?
Fastest winds and weakest density
What is the largest moon of Saturn?
Titan