Bethel Earth Science 22 Sun, Moon, Earth

What is it? the outer region of the sun's atmosphere

We can observe how the sun rotates on its axis by the movement of

Severe solar storms that can disrupt telecommunications on earth are called

An astronomical unit is defined as the distance between

A total solar eclipse is usually shorter than a lunar eclipse

Day, month, and year are defined according to the motions of the sun, moon, & earth

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

What is it? materials blasted out of a crater during a meteorite impact

What are they? streams of plasma that rise up and descend from the sun's corona

Large, flat regions of the moon's surface made of hardened basaltic lava

The sun is located far from the center of the Milky Way galaxy

Hot plasma rises to the surface, cools, & descends into the sun's interior in this zone

Scientists think the moon has a solid outer core and a liquid inner core

The lunar seas contain the largest masses of frozen water anywhere in the solar system outside of earth

What is it? a large, dark area on the surface of the moon

Seasons are cause by the earth's motion relative to the sun and its

Some rilles may be cracks in the moon's crust that formed when it cooled and shrank

What is it? a depression on the surface of the moon usually surrounded by circular walls

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

We call the 365 named days from January 1 to December 31

Which of the following statements about the sun's electromagnetic energy is NOT correct?

Lunar mountains appear to be

Which effect is NOT produced by tidal forces between the earth and the moon?

We know that the moon's interior structure is similar to earth from collecting data on

What is it? the region within the sun where energy travels primarily as electromagnetic waves

The entire range of electromagnetic waves released by the sun is called the solar

The sun is composed MOSTLY of

How does the moon's gravity compare with earth's?

Somewhere on earth, a total solar eclipse happens every year

Gases in the moon's very thin atmosphere come mostly from its interior

The moon has a nearly perfect spherical shape, likely because

The apparent path that the sun follows through the stars as seen from earth is called

Astronomers believe that sunspots form when

The solar wind is a continuum of the sun's atmosphere

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

Earth tides are the changes of local ocean height one or more times a day at a given location

During a lunar eclipse, the moon passes through the shadow of the earth.

What is it? the visible surface of the sun

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

The moon has a very thin atmosphere because it