More astrophysics illustrations

Astrophysics

Ellipse major minor axes

Astrophysics

Spiral galaxy material arm

Astrophysics

Earth tidal bulge

Astrophysics

Observatory building

Astrophysics

Hot gas disk

Astrophysics

Ultraviolet spectrum band

Astrophysics

Spherical blackbody star

Astrophysics

Isophotal surface boxy