UNIT 5 QUIZ 1 Question 1 Light bands (zones) in Jupiter\'s \"surface\" are: a. c

Question

UNIT 5 QUIZ 1

Question 1

Light bands (zones) in Jupiter's "surface" are:

a. cooler than darker bands (belts).

b. warmer than darker bands (belts).

c. great atmospheric storms.

d. lightning phenomena.

e. None of the above. 5 points

Question 2

The magnetic field of Saturn is 20 times weaker than that of Jupiter because:

a. its surface temperature is lower.

b. the size of its liquid metallic hydrogen is twice smaller.

c. the size of its liquid metallic hydrogen is twice larger.

d. the planet lacks thermonuclear fusion processes.

e. None of the above. 5 points

Question 3

As the solar nebula collapsed under its own gravity:

a. it heated and spun up.

b. it cooled and spun up.

c. it cooled and spun down.

d. it heated and spun down.

e. it first heated and then cooled down.

Question 4

The Great Red spot in Jupiter's atmosphere is:

a. a huge magnetic spot like a sunspot

. b. a huge persistent swirling storm.

c. the spot absorbing the UV solar radiation.

d. fed by the internal heat that generates convection.

e. Both B and D.

Question 5

Great White Storms in Saturn appear every:

a. 1000 years.

b. 1,000,000 years.

c. 30 years or about the planet's orbital period.

d. None of the above.

Question 6

Strong periodic radio emission in Jupiter's atmosphere is produced by:

a. the Great Red spot.

b. belts

. c. zone.

d. metallic hydrogen.

e. high-energy electrons propagating in a curved path along the planet’s magnetic field. 5 points Save Answer

Question 7

Collisions of the Shoemaker-Levy comet with Jupiter produced:

a. a huge plume of gas rising into the atmosphere.

b. heat of the localized impact sites due to the released energy of 1022 Joules.

c. "Jupiter quakes."

d. radio emission.

e. All of the above.

Question 8

The planets in our solar system are thought to have come from:

a. clumps of rocky material that exist between the stars.

b. the leftovers of the same cloud of gas and dust in which the Sun formed.

c. a cloud of gas in the Orion nebula.

d. the supernova explosion.

Question 9

Jupiter's aurora:

a. is the most energetic process in the solar system.

b. is less energetic than an H-bomb explosion.

c. is the second most energetic process in the solar system after solar flares.

d. is less energetic than Earth's Aurora Borealis.

e. None of the above.

Question 10

Color of Jovian clouds are caused by:

a. thermal conduction of metallic hydrogen.

b. their velocities.

c. convection from the deep interior that brings up hydrogen compounds and sulfur.

d. thermonuclear fusion.

e. None of the above.

Question 11

Lifetime of vortices in Jovian atmosphere depends on:

a. their color.

b. their temperature.

c. their size.

d. their chemical composition.

e. None of the above.

Question 12

Which of the following hypotheses for the origin of the Moon is most widely accepted today?

a. The Moon split off from Earth.

b. The Moon was gravitationally captured by Earth.

c. The Moon and Earth were initially a double-planet system.

d. A planet crashed into the proto-earth, giving rise to Earth and Moon.

Question 13

Internal heat in Jupiter is produced:

a. by the Sun's radiation.

b. by the solar wind.

c. the radioactive elements in its the center.

d. by helium precipitation.

e. by water precipitation. 5 points Save Answer

Question 14

Differential rotation of Jovian planet makes:

a. the polar regions to rotate faster than the equatorial regions.

b. the polar regions to rotate slower than the equatorial regions.

c. the polar regions to rotate at the same rate as the equatorial regions.

d. magnetic fields weaker.

e. strong storms such as the Great Red Storm.

Question 15

Coriolis effect is:

a. the temperature change of the planetary surface.

b. the orbital change of Jupiter's axis.

c. the apparent deflection of a flow path caused by a planet’s rotation.

d. caused by the Doppler effect.

e. None of the above.

Question 16

The outer planets are mostly large and gaseous because:

a. they were formed beyond the frost line, hydrogen froze to form the Jovian planets.

b. the Sun's gravity caused the denser rock and metals to settle towards the center of the solar system, leaving lighter materials in the outer system.

c. beyond the frost line, the gravity of large, ice-rich planetesimals captured the abundant light gases.

d. the disk's spin flung lighter materials farther from the Sun.

Question 17

The rotation rate of gas giants:

a. does not depend on the planet's latitude.

b. is greater at the equator decreasing toward poles.

c. is less on the equator decreasing toward poles.

d. is equal to their orbital period.

Question 18

Dynamic features in the Jupiter's atmosphere are driven by:

a. conduction.

b. thermonuclear fusion.

c. convection.

d. radiation.

e. All of the above.

Question 19

As the solar nebula collapsed, it became a disk because:

a. the overall rotation of the nebula and growth of particles into boulders due to collisions between them.

b. the initial nebula had a lot of heavy elements.

c. the initial cloud was disk shaped.

d. the Sun's gravity pulled the nebula into the ecliptic plane.

e. the nebula’s gravity pulled its gas and dust material into the ecliptic plane.

Question 20

A key characteristic of the solar protoplanetary nebula was its:

a. rotation.

b. chemical composition.

c. age.

d. color.

e. magnetic field.

f. All of the above.

Explanation / Answer

1 e

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