Astronomy
Celestial Bodies
Eclipse Terminology
Geometry and Measrement
Observations
100

Astronomy (noun)

What is the study of everything in the universe beyond Earth's atmosphere? (noun)

100

sun (noun)

What is the name of the large star that heats our planet?

100
umbra (noun)

What is the shaded area of the sun called during a eclipse?

100

degrees (noun)


What is a unit of measure for angles and arcs? 

100

annular (adjective)

What is forming a ring?

200

eclipse (noun)

What is the total or partial hiding of a planet, star, or moon by another?

This word can also be a verb.

200

moon (noun)

What celestial body shines on Earth by reflecting light from the sun?

200

penumbra (noun)


What is the partial shadowing surrounding a perfect shadow (as in an eclipse)?

200

plane (noun)

What is a flat or level surface?

This word can also be a verb and a adjective.

200

solar (adjective)

What do we call heat and light generated from the sun?

300

orbit (noun)

What is the path of the moon circling the Earth called?

This word can also be a verb.

300

gradual (adjective)

What do we call an event that proceeds by steps or degrees? 

300

Baily's Beads effect


What are the tiny beads of light effects during an eclipse?

300

Line of Nodes

What is the line of intersection between the orbit and ecliptic planes?

300

lunar (adjective)

What do we call the time related to moon's revolution. 

400

sphere (noun)

What is the shape of the Earth? 

400

new moon (noun)

What kind of moon appears shortly after sunset, and appears as thin curved outline of the moon.

400

Diamond Ring effect

What is the name of the effect of the sun's light bursting from the first place that becomes uncovered from the shadow during and eclipse. 

400

apogee (noun)

What is the point farthest from the center of the Earth (or moon)?

400

nocturnal (adjective)

What do we call animal that are primarily active during the night?

500

phases (noun)

What is a repeating series of changes (stages)? 

This word can also be a verb.

500

full moon (noun)

What is the moon called when its whole disk is lighted?

500

Path of Totality

What do we call the track of the moon's shadow across the Earth's surface?  

500

ecliptic (noun)

What is the great circle of celestial sphere on which the sun appears to move among the stars? 

500

Sun's Corona

What is the outermost part of a star (as the sun)?