Why Are All Cosmic Objects Spherical?

First of all, let's leave the cosmic objects aside for a moment and let's talk a bit about gravity. The gravitational force has been the first elementary force to be fully understood by physicists, however, what physical phenomena causes it remains mostly a mystery even today. Furth... [ read more >> ]

$Comander Leroy Chiao onboard the ISS, watching a water droplet located between him and the camera; you can see how his face is refracted through the volume of water$

Image comment: Comander Leroy Chiao onboard the ISS, watching a water droplet located between him and the camera; you can see how his face is refracted through the volume of water
Image credits: NASA

$Comander Leroy Chiao onboard the ISS, watching a water droplet located between him and the camera; you can see how his face is refracted through the volume of water$


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