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A cometEdit

 
Comet parts

An artificial satelliteEdit

 
Parts of Ulysses

The Solar SystemEdit

MoonsEdit

 
Moons of Solar System

The SunEdit

 
Sun layers

The EarthEdit

See: Geology

 
Earth lighting equinox

NeptuneEdit

 

OthersEdit

 
a Hertzsprung-Russell diagram; a plot of luminosity versus spectral class for a group of stars