Close binary with an accretion disk.
(The companion is irradiated.)

Close binary with an accretion disk.
(The companion is irradiated.)

Astrophysical jets which have corkscrew patterns.

Curved space around a Schwarzschild black hole.

Proper time around a Schwarzschild black hole.

Particle orbits around a Schwarzschild black hole.

Light trajectories around a Schwarzschild black hole.

Gravitational lens around a point mass.
(Approximate figure)

Gravitational lens around a point mass.

Einstein ring around a point mass.
(Approximate figure)

Einstein ring around a point mass.

Relativistic accretion disk viewed from the side
(declination angle=10 degree).

Relativistic accretion disk viewed from the side
(declination angle=5 degree).

Relativistic accretion disk viewed from the side
(declination angle=0.1 degree).

Orion direction:

Starbow seen from the bridge of a relativistic spaceship (v = -0.9c).

Starbow seen from the bridge of a relativistic spaceship (v = -0.5c).

Starbow seen from the bridge of a relativistic spaceship (v = 0).

Starbow seen from the bridge of a relativistic spaceship (v = +0.5c).

Starbow seen from the bridge of a relativistic spaceship (v = +0.9c).

Starbow seen from the bridge of a relativistic spaceship (v = +0.99c).

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