Chapter 22 review

In what phase of its cycle must the moon be for a total lunar eclipse to take place? A. C. B. las

How many times does the moon rotate during one revolution around the earth?

The process of nuclear fission within the sun releases an enormous amount of energy

the classification of a coronal mass ejection

large, dark areas on the surface of the moon

the dark areas on the surface of the sun

The radiated energy from the sun travels mostly in the form of electromagnetic waves.

Compared to the earth, the average density of the moon is

Which of the following does not belong with the others?

An astronomical unit is defined as the distance between the

the pointed jets on the chromosphere

The sun’s surface exists in what state of matter?

The moon’s surface gravity is what fraction of the earth’s surface gravity?

The defined lengths of time for day, month, and year vary depending on the perspective from which they are viewed.

The moon has only a very thin atmosphere because it

associated with some craters on the moon which were formed by meteor impacts

The sun is composed mostly of

In what part of the sun are thermonuclear reactions believed to occur?

More than 70 of the naturally occurring elements have been identified in the sun.

The back side and the dark side of the moon are the same.

the point in the moon’s orbit where it is closest to the earth

The distance from the center of the moon to the center of the earth averages about

the region within the sun in which energy travels primarily as electromagnetic waves

. occurs when the moon is in line with the earth and the sun

depressions on the surface of the moon usually surrounded by circular walls

The apparent path that the sun follows through the stars as seen from Earth’s perspective is called

What theory states that that the earth and the moon both originally solidified from the same cloud of dust?

A full moon always rises at sunset and sets at sunrise.

the outer region of the sun’s atmosphere

Which of the following is not a part of the solar atmosphere?

Sunspots usually last no longer than several hours.

Severe solar storms that can disrupt telecommunications on Earth are called

Of what high-speed particles is the solar wind mostly composed?

During the first half of the lunar month the moon is said to be

the lower layer of the sun’s atmosphere

the points on the crescent moon

A total solar eclipse is usually longer than a total lunar eclipse.

Compared to the temperature of the photosphere, the temperature of the corona is

The sun is located in the center of the Milky Way galaxy.

the visible surface of the sun