Astronomy Ch 8: 5-2-18

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Neptune's moon Triton

-unique among the large moons because its orbit is opposite to the planets rotation (retrograde) -at a wonky 23 degree angle -believed to be a captured Kuiper belt object

How many prominent moons does Neptune have?

1 Triton- slightly bigger than Io -unique among the large moons because its orbit is opposite to the planets rotation (retrograde) -at a wonky 23 degree angle -believed to be a captured Kuiper belt object

How many rings does uranus have?

1 - and it is sideways

The giant planets all have:

1. Have strong magnetic fields 2. have rings 3. spin quickly 4. Have rocky core

How many moons does Jupiter have? How many prominent moons does Jupiter have?

67 4 prominent

What is the mass of saturn and why is it unique?

95 M e- remarkably small for such a large planet

The red spot on Jupiter is the same size as?

Earth

The 4 prominent moons of Jupiter are what type of moons?

Galilean moons

What are Jupiter's moons most to least volcanically active?

Io Europa Ganymede Callisto

What are Jupiter's 4 prominent moons named?

Io- most volcanically active Europa Ganymede-largest moon in the solar system -bigger than mercury Callisto-least geologically active

Which planet is the largest gas planet?

Jupiter

Tidal activity compels moons to eject particles which became...?

Jupiters rings

Which planet is the smallest of the gas planets?

Neptune

Titan

One of Saturn's moons larger of the 2 moons -only moon in our solar system to have a substantial atmosphere -it has lakes and rivers of liquid methane -mountain ranges of ice with water spewing volcanoes

How many prominent moons does Saturn have?

Rhea Titan

What is the 2nd largest planet in the solar system?

Saturn

Which planet is the least dense planet in the solar system?

Saturn -it would float in your bathtub

The 3rd largest of the planets?

Uranus

Where is their a giant storm on saturn?

at its south pole -has a similar storm at the north pole

Why doesn't unranus have bands?

because of extremely uneven heating of surface

What is the blue appearance of Uranus and Neptune caused by?

clouds of methane

Neptune great blue spot is a?

giant hurricane -neptune also has bands

The light colored bands on Jupiter indicate?

high pressure zones

What are Saturn's rings made of?

ice particles about the same size as a normal 6 sided dice (they range in size from gain size to boulder size)

What happens to uranus because it rotates on its side?

it has extreme seasonal variations of all the planets

What is unique about uranus?

it rotates sideways -it rotates on its side

Dark colored bands on Jupiter indicate?

low pressure zones

Neptune is slightly ____________ than Uranus (but also slightly __________).

smaller heavier

What do tidal forces from Jupiter do to its moons?

stretch and deform them -this heats them up

What are the bands on Jupiter caused by?

strong Corioliss Effect

What is the Roche Limit?

the closest distance a moon can get from the center of the planet before it is ripped apart by tidal forces ---it is about 2.4 planetary radii

Saturn's rings how did they form?

we aren't exactly sure


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