Discovery
Where is Neptune positioned in our Solar System (first from the sun, 2nd, etc)?
Last (8th)
Is Uranus’ Atmosphere Thick or Thin?
Thick
What type of planet is Neptune?
Neptune is both an ice giant and a gas giant!
Jupiter has 67 moons, Saturn 62, but Neptune a relatively small 13. Which of Neptune’s moons is the largest?
Triton
What planet is considered Neptune's twin planet?
Uranus
What day was Neptune discovered?
September 23, 1846
The Great Dark Spot is a ______, similar to Jupiter’s Great Red Spot?
Large Storm
Does Neptune have a magnetic field?
Yes
What are Neptune’s moons named after?
The sea gods
What is the Roman god that Neptune is named after the god of?
Neptune is the god of the sea
What famous astronomer observed Neptune through a telescope without knowing it, in 1612?
Galileo
The max speeds on Neptune can reach ______.
1,200 mph, 5 times earths castes hurricane
Does Neptune undergo differential rotation?
Yes. The wide equatorial zone rotates once every 18 hours, which is slower than the 16.1-hour rotation of it’s own magnetic field. Also, the reverse is true for the polar regions where the rotation time is 12 hours.
What is Neptune’s moon, Triton, composed of?
Mainly nitrogen and a small amount of methane.
How many faint rings does Neptune have?
5
Name at least one out of the three men who is credited with discovering Neptune
Johann Gottfriend Galle, Urbain Jean Joseph Le Verrier, John Couch Adams
The 29 degree tilt of Neptune’s axis causes __ year long seasons.
40 year long seasons
What is the composition of Neptune?
Most (over 80%) of Neptune’s mass is made up of a hot and dense liquid of "icy" materials such as, water, methane, and ammonia, with a small, rocky core above.
How many moons did Voyager discover when it flew past Neptune?
Six tiny moons
What is Neptune's orbital period?
165 years
Neptune's discovery was significant because it was the first planet to be discovered using ____.
Mathematics
What is the composition and temperature of Neptune's core?
Neptune has a rocky core made up of silicates and metals with a a little more mass than out planet. The temperature of the core could reach as high as 9,260 F (5,127 C)!
Triton has a ________ orbit, meaning it orbits it the opposite direction of most of Neptune's other moons.
Retrograde
What was the original name of Neptune?
Le Verrier's planet