Sun
Moon
The System
Misc.
100
What is the most abundant element in the sun?
Hydrogen
100
What are low areas of the Moon's surface that d o not have distinct walls or rims?
Maria
100
What can the moon do to the Earth's crust?
Deform it (because of its gravitational pull)
100
What device can we use to determine the composition of a planet's atmosphere, based off of the light that reflects off of it?
Spectroscope
200
What is the thin, lower layer of the sun's atmosphere?
Chromosphere
200
What are long, narrow valleys on the moon (possible collapsed lava tubes)
Rilles
200
In what context does the sun move?
In relation to the Milky Way
200
What is the upper atmosphere of the sun?
Corona
300
What is the photosphere?
The visible surface of the sun
300
What are rays?
Bright streaks that radiate from maria
300
What is a solar day?
The time from one local noon to the next. Can vary by a few seconds throughout the year
300
What is an ecliptic?
The path that the sun takes in its apparent motion across Earth
400
One astronomical unit is between what two objects
The sun and earth
400
What do we know about the atmosphere of the moon? Why?
We know that it has little to know atmosphere because of the moon's low gravity
400
What is a solar eclipse? When does it happen?
A solar eclipse occurs when the moon blocks some of the sun's light from reaching the earth. It only happens at a new moon.
400
What usually causes a solar flare?
When magnetic fields around sunspots destroy each other
500
What two things affect the color of the sun?
The intensity of light waves emitted by the sun
The sensitivity of human eyes to the sun's colors
500
Sketch and label all of the phases of the lunar month.
500
What is a solstice? What is an equionox?
Solstice - when the earth's axis leans directly toward or directly away from the sun
Equinox - occurs when the sun's rays are perpendicular to the earth's equator
500
What is the shape of the moon? Why is it that shape?
It is spherical, because of its slow rotation