S ________________ The center of our solar system

O ________________ A planet’s path around the Sun

L ________________ A major ingredient in the process of photosynthesis

A ________________ A scientist who studies heavenly bodies

R ________________ A color in the spectrum

E ________________ Our planet

N ________________ Polish astronomer who stated the Sun is the center of the universe

E ________________ Iron and calcium, for example

R ________________ A helpful light acronym

G ________________ The Milky Way is one of these

Y ________________ A color in the spectrum

List as many facts as you can about the penumbra and the umbra.

penumbra

umbra

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