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Krystal Bernier ∙
umbra.
polaris!!!!!!!!!!
Pluto
Venus
UV, ultraviolet
Degenerate stars
The center of a comet is called its nucleus.
E is energy.
It is called the magnitude scale. It is a log scale.
m
Electron
IAU Circular was created in 1920.
when does Halley's Comet passes by the earth every
canis major