1
Sun
The star at the heart of our solar system
2
Totality
The duration of total obstruction during the eclipse
3
Lunar Eclipse
An eclipse where the moon appears darkened from the Earth's shadow
4
Umbra
A shadow cast over an area experiencing a total eclipse
5
Earth
A rocky terrestrial planet
6
Universe
All the space and all the matter and energy that space contains
7
Penumbra
A shadow cast over an area experiencing a partial eclipse
8
Solar Eclipse
An eclipse where the sun is blocked by the moon
9
Moon
The biggest and brightest object in our night sky
10
Corona
A glow from the sun seen surrounding the moon during a total eclipse