Question: How much warmer is Neptune's south pole to the rest of it's atmosphere? 
Answer: 10 K

Question: Where does methane in the south pole escape to on Neptune? 
Answer: the stratosphere near the pole.

Question: What is the average temperature of Neptune's south pole? 
Answer: 73 K (−200 °C).

Question: How many earth years is Neptune's south pole exposed to the sun?
Answer: 40

Question: To which pole will Neptune's methane shift to as it moves to the opposite side of the sun?
Answer: north pole

Question: What white cloud group on Neptune is farther south than the dark great spot?
Answer: The Scooter

Question: When was The Scooter on Neptune observed?
Answer: 1989

Question: What type of storm is The Scooter on Neptune? 
Answer: southern cyclonic storm

Question: What detected the storms on Neptune? 
Answer: Voyager 2)

Question: What is the second most intense storm on Neptune? 
Answer: The Small Dark Spot

Question: Where are Neptune's dark spots thought to occur? 
Answer: in the troposphere

Question: What do Neptune's dark spots appear as in the cloud decks? 
Answer: holes

Question: Since Neptune's dark spots persist for several months, what are they thought to be?
Answer: vortex structures

Question: What on Neptune are associated with dark spots that are brighter?
Answer: methane clouds

Question: When Neptune's dark spots migrate too close to the equator, what do they do?
Answer: dissipate

Question: Why might Neptune have more varied weather than Uranus?
Answer: higher internal heating

Question: How much farther is Neptune from the Sun than Uranus?
Answer: 50%

Question: How much percentage of the sun does Neptune get compared to Uranus?
Answer: 40%

Question: How much more energy does Neptune radiate than it receives? 
Answer: 2.61

Question: The current heat flow on Neptune might be explained by what?
Answer: heat left over from Neptune's formation

Question: When did Neptune complete it's first barycentric orbit since it's discovery?
Answer: 11 July 2011

Question: What is the Earth's orbit?
Answer: 365.26-day

Question: Why didn't Neptune appear to be in it's exact discover position? 
Answer: Earth was in a different location

Question: Using the heliocentric coordinate system, when did Neptune reach the discovery longitude? 
Answer: 12 July 2011

Question: What is the region behind Neptune called? 
Answer: Kuiper belt

Question: What does the Kuiper belt consist of?
Answer: small icy worlds

Question: Where is the Kuiper belt relative to Neptune?
Answer: 30 AU out to about 55 AU from the Sun

Question: What dominates the Kuiper belt? 
Answer: Neptune's gravity

Question: What did Neptune's gravity do to Kuiper belt? 
Answer: gaps in the Kuiper belt's structure

Question: What is the fraction of the most heavily populated resonance in the Kuiper belt? 
Answer: 2:3 resonance

Question: What is the best known, and largest, object in the Kuiper belt?
Answer: Pluto

Question: How many known objects is in the most populated resonance of the Kuiper belt?
Answer: 200

Question: What is the resonance of Pluto in the Kuiper belt?
Answer: 2:3

Question: Which resonances are less populated in the Kuiper belt?
Answer: 3:4, 3:5, 4:7 and 2:5

Question: What is the resonance of Neptune trojans?
Answer: 1:1

Question: Where did most Neptune trojans form?
Answer: alongside Neptune

Question: What is the only object identified with Neptune's trailing L5 Lagrangian point?
Answer: 2008 LC18

Question: What is Neptune's temporary quasi-satellite named?
Answer: (309239) 2007 RW10

Question: How long has Neptune's quasi-satellite been with Neptune? 
Answer: 12,500 years

Question: What could have blasted Neptune and Uranus's atmosphere with radiation, aiding in creation? 
Answer: nearby massive OB star

Question: What is too low to account for the formation of Neptune?
Answer: matter density

Question: If Neptune was formed from instabilities within the original protoplanetary disc, what was it not formed by?
Answer: core accretion

Question: If Neptune formed closer to the sun, what is the matter density?
Answer: higher

Question: If Neptune formed closer to the sun, what caused it to migrate to it's current orbit?
Answer: removal of the gaseous protoplanetary disc

Question: What is the most widely accepted explanation of Neptune's formation called?
Answer: the Nice model

Question: What does The Nice model consider effected the migration of Neptune?
Answer: Kuiper belt.

Question: How many moons does Neptune have?
Answer: 14

Question: What is Neptune's largest moon?
Answer: Triton

Question: Who discovered Triton? 
Answer: William Lassell

Question: What orbit does Triton have around Neptune? 
Answer: retrograde orbit

Question: What does Triton's orbit suggest about it's relation to Neptune?
Answer: that it was captured

Question: What discovered six moons of Neptune in 1989?
Answer: Voyager 2

Question: What is the second most massive Neptunian moon? 
Answer: Proteus

Question: What is notable about the moon Proteus?
Answer: irregularly shaped

Question: Which are Neptune's four innermost moons?
Answer: Naiad, Thalassa, Despina and Galatea

Question: When was Neptune's moon Larissa discovered? 
Answer: 1981

Question: What is Neptune's angular diameter range?
Answer: 2.2 to 2.4 arcseconds

Question: The advent of what telescope made it easier to study Neptune?
Answer: Hubble Space Telescope

Question: When was the first useful observation of Neptune from the ground?
Answer: 1997

Question: What seasons are Neptune currently entering?
Answer: spring and summer

Question: What was discovered around Neptune in 2004 and 2005?
Answer: five new small satellites

Question: What is the only spacecraft to visit Neptune?
Answer: Voyager 2

Question: When did a spacecraft get closest to Neptune?
Answer: 25 August 1989

Question: What near Neptune did a spacecraft visit dangerously close?
Answer: Triton

Question: What program aired on PBS about Neptune?
Answer: Neptune All Night

Question: When is the next hypothetical mission to Neptune?
Answer: late 2020s

Question: What about Neptune did NASA propose in 2003 in their "Vision Missions Studies"?
Answer: Neptune Orbiter with Probes

Question: When will Argo be launched?
Answer: 2019

Question: What will Argo visit?
Answer: Jupiter, Saturn, Neptune, and a Kuiper belt object

Question: When can we expect Argo to visit Triton?
Answer: 2029

Question: What is of the factors the capital cost of electrification system depends on?
Answer: maintenance

Question: How do some locomotives function in order to be more flexible in operation?
Answer: can switch to different supply voltages

Question: What are two types of revenue obtained through railway transportation?
Answer: freight and passenger traffic

Question: What is the main disadvantage of railway electrification?
Answer: significant capital expenditure

Question: What is used to haul passengers cars?
Answer: electric locomotives

Question: How is electricity being generated for electric locomotives?
Answer: generating stations

Question: What entity provides distribution lines, switches and transformers?
Answer: railway

Question: What is the principal alternative to electric railways?
Answer: diesel engine

Question: What locomotives are usually more reliable?
Answer: Electric locomotives

Question: What do some electric traction systems provide?
Answer: regenerative braking

Question: What type of fuel do diesel locomotives use?
Answer: petroleum

Question: What is one of the sources electricity is being generated from?
Answer: geothermal

Question: What is a safety hazard to track workers?
Answer: voltages on contact wires

Question: What issue can complicate electric railway service?
Answer: different supply voltages and frequencies,

Question: What is a safer alternative to third rails?
Answer: Overhead wires

Question: Why overhead wires are not being widely used?
Answer: considered unsightly.