>Help a freshman pleb out /sci/?
Nearly the same. Index of refraction in air is only 1.00029. Index of refraction in vacuum is just 1.
The only real problem would be that in hard vacuum, you wouldn't necessarily have a stable surface of water except at very cold temperatures.
>>8482252
Wat? Refraction happens at an interface between two mediums with different refractive indexes.
>>8482277
Through a medium is always a given for light refraction vectors right?
>>8482302
Through an interface. It's even in your image. Snell's law is given by pic related. Light doesn't just continuously refract while its in a material, it only refracts at an interface, then continues straight at whatever angle it was bent to.
>>8482309
Thank you for clarifying senpai.