More astrophysics illustrations

Astrophysics

Elliptical cross section

Astrophysics

Opacity curve

Astrophysics

Overlapping spheres

Astrophysics

Stellar atmosphere plane parallel slab

Astrophysics

Closed universe with recollapse arrows

Astrophysics

Space observatory satellite

Astrophysics

Eclipsing binary system

Astrophysics

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