Chapter 9 Review

Front 1

The direction of the rotation of Venus is exceptional because it is in a ________ direction.

Back 1

Retrograde

Front 2

While it has some high volcanoes, most of Venus is relatively ________ in elevation.

Back 2

Low

Front 3

The most effective wavelengths to see through the clouds of Venus to the surface are ________.

Back 3

Radio Waves

Front 4

The Russian ________ probes are the only ones to successfully land on Venus.

Back 4

Venera

Front 5

The Greenhouse effect on Venus is due to ________ in its atmosphere.

Back 5

Carbon Dioxide

Front 6

Venus' high surface temperature is due to the ________ effect.

Back 6

Green house

Front 7

The planet ________ has the least variation in temperatures on the surface between day and night.

Back 7

Mercury

Front 8

The atmosphere of Venus is about 95% ________.

Back 8

Carbon Dioxide and some oxygen

Front 9

The lack of water on Venus is the result of ________ of the water molecules into its component atoms by solar ultraviolet radiation.

Back 9

Dissociation

Front 10

Since its density is similar to ours, we think that Venus too has a core of ________.

Back 10

Iron

Front 11

At closest approach Venus is about how far from Earth?

Back 11

0.3 AU

Front 12

Venus orbits the Sun in 225 days. How long does it take to rotate on its axis?

Back 12

243 Days

Front 13

Why is it reasonable to conclude that the internal structure and evolution of Venus are basicallyEarthlike?

Back 13

Similar masses and sizes

Front 14

8) Through radar observations it was found that Venus’ rotation: Page Ref: 9.2

Back 14

Rotation on its axis retrograde

Front 15

Why does Venus appear so bright to the eye?

Back 15

Planets cloud cover is highly reflective

Front 16

Earth and Venus are often called sister planets; in which ways are they most alike?

Back 16

Size, density, and surface gravity

Front 17

The surface of Venus can be observed with:

Back 17

Radar observations from arecibo

Front 18

The synodic period of Venus is the time it takes for:

Back 18

3.5 yrs

Front 19

Our most detailed maps of Venus come from:

Back 19

The magellan space probe

Front 20

Which of the following characterizes a shield volcano?

Back 20

It sits above a hot spot in the planets mantle

Front 21

Which statement is true of Venus' surface?

Back 21

They are two continent sized uplands

Front 22

A surprise from the Pioneer Venus photos was that:

Back 22

The clouds rotate around the planet in only 4 days very unlike the slow surface rotation

Front 23

What percentage of the surface of Venus could be characterized as continental-sized highlands?

Back 23

less than 10%

Front 24

What is thought to have caused the craters on Venus?

Back 24

Most are volcanic in origin, some are due to meteoric impacts

Front 25

The largest volcanic structures on Venus are called:

Back 25

Coronae

Front 26

The only spacecraft to successfully land on Venus were:

Back 26

Russian Veneras

Front 27

What is the result of the Greenhouse effect on the surface environment of Venus?

Back 27

Raised the surface temp by hundreds

Front 28

What is the composition of the clouds of Venus?

Back 28

Sulferic acids

Front 29

The absence of a magnetic field on Venus probably stems from its:

Back 29

Slow rotation