Recent content by Jordi H

Thank you. I did not know that the gaseous planets have solid nucleus.

I assume that planets and their satellites are created more or less at the same time. Why gaseous planets like Saturn have solid rings and satellites?

What about a very, very thin wing, just a curved plane. The air would travel the same distance over and under the wing, yet it will still produce lift.

Use wood for buildings instead of concrete, whose manufacture is very energy intensive.