Astronomy exam #3 module 12

The magnetic field of Jupiter is about ___ times the intensity of the Earth's magnetic field.

10 times

Compared to the Earth, the planet Jupiter is roughly ___ times larger.

10 times larger. (Actually 11 times larger but 10 is the closest option)

Which of the following planets has a magnetic field that is thought to be generated by liquid metallic hydrogen?

Jupiter

Which of the following planets is 11 times the size of the Earth & is also the largest planet?

Jupiter

Which of the following planets or moons has an atmosphere made of mainly Hydrogen and Helium?

Jupiter

Which of these planets has a solar day that is shorter than half an Earth day in length?

Jupiter

____ has an atmosphere of Hydrogen and Helium with no real surface. It is like the sun in this aspect.

Jupiter

Which of the following planets has a system of rings that consists of dark rocks that are difficult to see?

Jupiter. They were discovered by Voyager 1.

The rotation of Jupiter (which is nearly perpendicular to its plane of orbit) causes it to have no _____.

No seasons

The magnetic field of Saturn is what?

Similar in intensity to the Earth's magnetic field

The magnetic field of Uranus is thought to be generated by what?

Something that is not on this list.

The _____ Theory suggests that a rotating liquid conductor can make a magnetic field.

The Dynamo Theory

The large vortex or hurricane on Jupiter has been named what?

The Great Red Spot

Which of the following temperatures is closest to what you might expect on the planet Jupiter?

-250 degrees Farenheight

Uranus is closest to what temperature?

-350 degrees (100 degrees colder than Jupiter or Saturn).

Jupiter rotates on its axis once in about ___ hours.

10 hours (10 hours and 55 minutes give or take a minute or two)

Saturn rotates on its axis once in about ____ hours.

10 hours. Just like Jupiter.

Which of the following planets does the moon Ganymede orbit?

Jupiter

Uranus rotates once every ___ hours. Sort of backwards.

17 hours.

The number of moons of Jupiter is at least ___.

62

The Great Red Spot is a ____ on Jupiter.

A hurricane on Jupiter

Different than Jupiter and Saturn, Uranus has what type of atmosphere?

An atmosphere of Hydrogen and Helium with some methane. (About 2% & it gives it the blue color).

The largest moon of Saturn, AKA Titan, has what kind of atmosphere?

An atmosphere whose temperature and pressure permit liquid methane.

Saturn has how many rings and what are they made of?

An extensive ring system made of ice-covered rocks

The temperature on Uranus is much colder than what?

Anywhere on Earth.

Which of the following objects is a moon of Jupiter?

Callisto (Jupiter's second largest moon)

The first spacecraft to go into orbit around Saturn was what?

Cassini-Huygens

The first spacecraft to put a lander on Titan was what?

Cassini-Huygens

The moon Miranda is peculiar because it has a surface feature that looks like a giant ______.

Check mark

Jupiter has a few rings made up of what?

Dark rocks & they can only be seen by nearby space probes

Neptune's magnetic North and South poles are _____ and also from the center of the planet, just like Uranus.

Displaced

Uranus's magnetic North and South poles are _____ from its rotation axis poles and also from the center of the planet.

Displaced

The temperature on Jupiter is much colder than anywhere on ____.

Earth

Saturn's magnetic North and South poles are almost _____ aligned with its rotation axis.

Exactly. As a result, its magnetic field does not vary much as the plane rotates.

Compared to Earth, the planet Uranus is roughly ____ as large.

Four times as large.

The first spacecraft to go into orbit around Jupiter was ______.

Galileo

Which of the following objects is the largest moon of Jupiter?

Ganymede

A surface feature that is unique to Saturn is what? A _____ shaped pattern of clouds at its North Pole.

Hexagon-shaped

Saturn has an atmosphere of _____ and ____ with no real surface. It is similar to the sun in this aspect.

Hydrogen and Helium

The rotation axis of Saturn is _____ at angle to the perpendicular that is similar to Earth's rotation axis.

Inclined

The rotation axis of Neptune is _____ at an angle to the perpendicular that is similar to Earth's rotation axis.

Inclined. (Just like Saturn).

Pioneer 10 was an early space probe sent to fly past _____.

Jupiter

Which of the following objects has a magnetic field with about ten times the intensity of the Earth's field?

Jupiter

Which of the following planets does the moon Callisto orbit?

Jupiter

The magnetic field of Jupiter indicates that its core must contain large amounts of a ____ that can conduct electricity.

Liquid

The temperature on Saturn is _____ than anywhere on Earth.

Much colder. Below zero 270 degrees F. It is very similar to Jupiter.

The rotation of Uranus is almost in the plane of its orbit so that its ring system can sometimes be seen as what?

Near-circles.

Which of the following spacecraft were the first to fly past Jupiter?

Pioneer 10 and Pioneer 11

Which spacecraft was the first to fly past Saturn?

Pioneer 11

Which of the following objects has a magnetic field similar in intensity to the Earth's field?

Saturn

Which of the following planets does Titan orbit?

Saturn

Which of the following planets has a hexagon-shaped pattern of clouds at its North Pole?

Saturn

Which of the following planets has an atmosphere consisting mainly of Hydrogen and Helium?

Saturn

Which of these planets has a rotation axis that is inclined in much the same way that of Earth?

Saturn

Which of these planets has a solar day that is shorter than half an Earth day in length? (just like Jupiter)

Saturn

Which of the following planets has a system of rings made of ice-covered rocks?

Saturn. The ice reflects a lot of light, making the rings easy to see.

Which of the following objects is the largest moon of Saturn?

Titan

Which of the following planets or moons has an atmosphere with about 1.6 times the surface pressure of Earth's?

Titan

Voyager 1 was the first space probe to fly past what?

Titan (Saturn's largest moon)

Which of the following objects is the largest moon of Neptune?

Triton.

Neptune has an atmosphere like _____ with methane.

Uranus.

The temperature of Neptune is similar to the temperature of ____.

Uranus. -350 degrees F.

Which of the following spacecraft was the second to fly past Saturn and the first to target the moon Titan?

Voyager 1

Which of the following spacecraft is the only one to have flown past Neptune?

Voyager 2

Which of the following spacecraft is the only one to have flown past Uranus?

Voyager 2. It continued onto Uranus from Saturn.

The spacecraft Galileo did what?

Went into orbit around the planet Jupiter and dropped a probe into its atmosphere. It stayed there for several years.