Earth Science BJU Chapter 22: The Sun, Moon and Earth

The sun is located far from the center of the milky way galaxy.

The moon has long narrow valleys located mainly in the level plains called _________.

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

Most of the radiated energy from the sun travles in the form of high-energy protons and neutrons.

The solar flare is the classification of a coronal mass ejection (temper tantrum)

An astronomical unit (AU) is the distance between

We call the 365 named days from January 1st-December 31st a _________ year.

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

Sunspots usually last no longer than several hours.

The suns surface exists in what state of matter?

The corona is the outer region of the sun's atmosphere.

Scientists believe that the moon's interior structure is similar to Earth's.

In what lunar phase must the moon be during a toatl solar eclipse?

Sunspots are dark areas on the surface of the sun.

The moon has nearly perfect spherical shape likely because

Spicules are the pointed jets on the chromosphere.

The sun is composed mostly of _____________.

The chromosphere is the lower layer of the sun's atmosphere.

The Chromosphere is the visible surface of the sun.

The moon has a very thin atmosphere because it

Day, Month, and year are all defined according to the motions of the sun, moon and earth.

How does the moon's surface gravity compare with Earth's?

In what part of the sun does fusion occur?

The radioactive zone is the region where the energy travels primiarily as electromagnetic waves

The process of nuclear fission powers the sun .

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

In what lunar phase must the moon be during a total lunar eclipse?

The key differance between visible light and other forms of electromagnetic waves is that we can see it.

Without the sun, life on Earth would not be possible.

The moon goes through it's phases because the postion of the earth, moon and sun changes the amount of light