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Astrophysics
Grating diffraction pattern
More astrophysics illustrations
Astrophysics
Apparent projectile path
Astrophysics
He ii partial ionization zone
Astrophysics
Zero velocity surface
Astrophysics
Very large array radio telescope
Astrophysics
Hydrogen alpha emission region
Astrophysics
Glowing yellow ring
Astrophysics
Centrally condensed isothermal sphere
Astrophysics
Gas pressure external