Venus

Venus
Exploring our Solar System By Ms. Q

Multiple Choice

Venus has a level of plate tectonic activity (compared to Earth) that is

• virtually non-existent.

• a little less.

• very comparable.

• a little more.

Multiple Choice

Why can't astronomers directly study the surface of Venus?

• the surface is just way too hot

• the surface is permanently obscured by thick clouds

• there is no surface of Venus

• too many active volcanoes

Multiple Choice

The only way (currently) to study the Venusian surface is to radar-map from space.

• True

• False

Multiple Choice

Venus has no magnetic field although its size & composition is like Earth. Why?

• it spins or rotates on its axis way too slow

• it has no central iron core

• Venus never had oceans and/or plate tectonics like Earth

• it revolves around the Sun in a near-perfect circular orbit

Multiple Choice

The orbit of Venus is nearly ____ - unlike the other planets in the solar system.

• elliptical

• circular

• angular

• geometric

Multiple Choice

Venus was visited by this series of space probes - returning actual pictures of the surface.

• Mariner

• Magellan

• Voyager

• Veneras

Multiple Choice

___ was the first space probe sent to Venus that analyzed the atmosphere.

• Magellan

• Mariner

• Veneras

• Pioneer Venus

Multiple Choice

Why is Venus so much hotter on average than Mercury - although Mercury is closer to the Sun?

• the orbit of Venus takes it closer to the Sun sometimes

• Venus' atmosphere is so thick that it traps the Sun's heat

• Mercury has no atmosphere (to speak of)

• because Mercury has a fairly substantial magnetic field