Flat Earth Challenge Follow-Up: Refraction | Science Meets Fiction
If black holes can bend light 180 degrees, can we actually see an image of Earth's past if we look at one from the right angle? : r/space
Gravity near a massive body
general relativity - How do we know that bending of light around stars is due to bending of space-time and not diffraction? - Physics Stack Exchange
Satellite confirms that we live in a space-time warp
Atmospheric refraction - Wikipedia
How does gravity affect photons (that is, bend light) if photons have no mass? | Astronomy.com
Does time go faster at the top of a building compared to the bottom? | Science Questions with Surprising Answers
A Better Understanding of How the Sun Bends Light - Eos
How Fast Does Light Travel? | The Speed of Light | Space
Speed of light around Earth - 7.5 laps per second • "If you could make light bend around Earth, it would orbit 7.5 times per second (near the surface).... | By Fan Maps | Facebook
Speed of light around Earth - video Dailymotion
General Relativity Experiments
Light from behind a black hole spotted for 1st time, proving Einstein right | Live Science
Basics of Space Flight - Solar System Exploration: NASA Science
Mirages and other atomospheric optic phenomena
Understanding gravity—warps and ripples in space and time - Curious
Does light follow the curvature of the Earth, or does it just shoot out to space? - Quora
Gravitational lens - Wikipedia
This Is Why Einstein Knew That Gravity Must Bend Light
Can Planets Bend Light?
Bending the Light | NASA
Black Hole Warps Space so Much That Astronomers See Light Behind It
Tiny sphere bends light like a black hole does
