Posts by RudolfJelin
Imagine you're on vacation in Greece. It's a nice sunny day, so you decide to go for a swim. The bottom of the sea is full of some greenish-brown ugly seaweed, every stone is covered by some fuzz a...
I was wondering if three planets can rotate around each other so that: Two of the planets are smaller and rotate around each other Both of the smaller planets rotate around another, bigger plan...
I want to build a big structure that will be visible from space. A object would need to be very large, maybe kilometers across, to be visible from, let's say, the ISS (which orbits at an average he...
The rotational axis of the Earth is slightly tilted now, but I would like to tilt it to 90° - something like Uranus has - and make the Earth rotate with one pole always facing one direction - eg. ...
Edit: A bounty was offered; Later, I answered my question - see below the looong math answer. I accepted it, because it's the only one to calculate the outcome with all the parameters included. I'l...
Phone message to you, Noel, on 10th October 2016 (AD): Hey, Noel, it's Rudolf JelÃnek here. God just send me a message on Facebook (I know it's true, because god gave me a vision in my sleep): ...