Astronomy Quiz 2

We think Jupiter’s magnetic field is caused by its large iron core.

• true

• false

Uranus was discovered by Galileo.

• true

• false

The greenhouse effect has been made worse by the presence of Freon in the atmosphere.

• true

• false

The snow-ball core of a comet is surrounded by the

• coma
• dust tail

• plasma tail

• oort cloud

Describe the moons of Mars

• large, round sphere much like our moon

• small, round spheres

• large, lop sided spheres

• small, lop sided and egg shaped

Comets that orbit very, very far from the Sun [long period comets] make up the

• Oort Cloud
• asteroid belt

• asteroid cloud

This planet has a density so low that it would float on water

• Jupiter

• Saturn

• Uranus

• Neptune

The only way we can make out features on Venus is to use ultraviolet light.

• True

• False

We think that part of the center of the earth is liquid. We know this from the study of

• glaciers

• the Moon

• seismic waves

• hurricanes

Asteroids are thought to be very old.

• True

• False