College Astronomy: Chapter Thirteen- Uranus and Neptune
30 test answers
Unlock all answers in this set
Unlock answers 30question
When was the name 'Uranus' finally official?
answer
1851
Unlock the answer
question
When was Neptune discovered?
answer
1846
Unlock the answer
question
How was Neptune discovered?
answer
its presence was discovered after the analysis of Uranus' orbit
Unlock the answer
question
What was special about the discovery of Neptune?
answer
It was the first planet predicted to exist before it was visually observed
Unlock the answer
question
Why are Uranus's seasons the most extreme in the solar system?
answer
axis of rotation lies almost in the plane of its orbit (98 degrees)
Unlock the answer
question
Which two planets do Uranus and Neptune have similar outer atmospheres to?
answer
Saturn and Jupiter
Unlock the answer
question
We can infer that both Neptune and Uranus are really cold due to what?
answer
the fact that ammonia freezes there
Unlock the answer
question
Which gas dominates and gives the two planets the characteristic blue color?
answer
methane
Unlock the answer
question
Where is the only place the that clouds can form on Uranus?
answer
lower, warmer layers
Unlock the answer
question
Which planet has a more visible band structure?
answer
Neptune
Unlock the answer
question
Which planet had a \"dark spot\" similar to Jupiter's storms?
answer
Neptune
Unlock the answer
question
Describe the magnetic fields of Uranus and Neptune.
answer
both are substantial, but at large angle to their rotation axes
Unlock the answer
question
Unlike other planets', what can Neptune and Uranus's magnetic fields not be produced by?
answer
dynamos
Unlock the answer
question
How many moons does Uranus have? How many are major?
answer
- 27 moons in total - 5 major moons: Miranda, Ariel, Umbriel, Titania, and Oberon
Unlock the answer
question
Which of Uranus's moons is the darkest?
answer
Umbriel
Unlock the answer
question
Uranus' moons are similar to that of Saturn's medium-sized moons except for what small detail?
answer
they are all much less reflective
Unlock the answer
question
Which of Uranus's moons is the most unusual?
answer
Miranda
Unlock the answer
question
How many moons does Neptune have?
answer
13
Unlock the answer
question
Of Neptune's moons, what are the only two that can be seen from Earth?
answer
Triton and Nereid
Unlock the answer
question
What's peculiar about Tritan's orbit?
answer
it's in a retrograde orbit
Unlock the answer
question
Is Nereid's orbit highly eccentric?
answer
Yes
Unlock the answer
question
Triton has a few craters and ice volcanoes, having an active surface. What is the probable cause of this?
answer
nitrogen geysers
Unlock the answer
question
When were Uranus's and Neptune's faint ring systems detected?
answer
1977
Unlock the answer
question
Are Uranus's rings narrow or wide?
answer
narrow
Unlock the answer
question
What keeps the epsilon ring from diffusing?
answer
two shepherd moons
Unlock the answer
question
How many rings does Neptune have?
answer
five (three narrow and two wide)
Unlock the answer
