Recent content by Juanma

The rotation speed of planets around the sun follows a simple rule: if you double the distance to the sun the rotation speed is reduced by the square root of 2. No matter the mass of the planet. If Earth mass was different the period of rotation around the sun will be exactly the same. But in...

Superfluid is a state of matter. I just said "imagine" because I´m curious about the effect that we will perceive. From the center of the sun to the outside.

Imagine a big superfluid cloud the size of the Moon, at the same distance of the Moon in front of the Sun. A total eclipse of 7 minutes. What would happen with the light coming from the sun during these 7 minutes? Would we see a "night sun"? Another question. "Estimates of the photon...