Astronomy Exam Chapter 7 & 8

¡Supera tus tareas y exámenes ahora con Quizwiz!

How many rings does Jupiter have?

4

What is Jupiter's Great Red spot?

A giant hurricane/vortex

How far from the Sun is the snow line?

About 3.5 au

What is the principal component of Venus's atmosphere?

CO2

Which is the least geologically active of Jupiter's Galilean moons?

Calisto

When were the iron cores of terrestrial planets formed?

During the earliest phase of formation (differentiation)

What is the only planet with plate tectonics?

Earth

What is the only terrestrial planet with a significant magnetic field?

Earth

What's the largest moon in the solar system?

Ganymede

What are the light-colored bands on Jupiter?

High pressure zones

Of what are Saturn's rings composed?

Ice particles

Which is the most geologically active of Jupiter's Galilean moons?

Io

Nearly half of mercury's volume is composed of what element?

Iron

Why does mercury have a thin layer of hydrogen and helium as an atmosphere?

It catches a bit of solar wind

What is unique about Neptune's moon Triton?

It has a retrograde orbit

What is unique about Saturn's moon Titan?

It is the only moon with a substantial atmosphere

What is the most likely reason Venus's magnetic field is so weak?

It rotates so slowly

What happened to Venus about one billion years ago?

It was resurfaced with lava from its interior

List the outer planets in order from largest to smallest (Uranus, Neptune, Jupiter, Saturn)

Jupiter, Saturn, Uranus, Neptune (all of these planets have rings)

Martian "blueberries" provide strong evidence for what?

Liquid water at some point in the past

Other than Earth, which world has the most evidence for surface features affected by winds?

Mars

Of all the terrestrial planets, which has the longest solar day?

Mercury

Which planet has the highest density?

Mercury

Which terrestrial world has the least evidence for volcanism?

Mercury

What causes the blue appearance of the planets Uranus and Neptune?

Methane in atmosphere

How did Mars get its moons?

No one knows

How did Jupiter's rings form?

Particles ejected off of its moons

Which planet has giant storms at its poles? (this will be a picture on the exam)

Saturn

Which planet has the lowest density?

Saturn

Of what are the polar caps of Mars primarily composed of?

Solid CO2; dry ice

What properties do all four gas giant planets share?

Strong magnetic fields, quick rotation, rings, moons, thick atmospheres, rocky cores

What is the Roche limit?

The distance from a planet within tides destroy an orbiting object

Which terrestrial world is most similar to Mercury?

The moon

Which planet has the most extreme seasons?

Uranus

Which planet rotates perpendicular to its orbit?

Uranus

In its composition, Mars's atmosphere most closely resembles which other planet?

Venus

Of all the terrestrial planets, which has the longest sidereal day?

Venus

What planet has the hottest surface temperature in our solar system?

Venus

Which planet rotates backwards?

Venus

Which terrestrial world experiences the strongest greenhouse effect?

Venus

Which terrestrial world has been most affected by volcanism?

Venus

List Jupiter's moons from most active to least active

io, europa, Ganymede, Callisto

Of what do the clouds of Venus consist?

sulfuric acid

Two planets orbit a distant star. If the planets have identical compositions, which cools fastest?

the smaller one

What powers the geological activity on Jupiter's moon?

tides


Conjuntos de estudio relacionados

Injection Med - Exam 3 ("A little better" version)

View Set

The Pure Food and Drug Act of 1906

View Set

Section 4: Critical Thinking D265 WGU

View Set

Financial Accounting Question Set

View Set

AINS 22 -Chp 6, AINS 22- Chp 7, CPCU 553, Chapter 8, AINS 22-Chp 11, Unit 4: Homeowners, Dwelling and Related Coverages, Chapter 12 - Personal Auto Policy, AINS 22 - CHAPTER 1, 4 Part A - Liability Coverage Quiz, Smart Exam Assignment 1, 4 Part F - G...

View Set

PED Final Exam Course point ?'s Unit 4

View Set