Tag Archives: escape velocity

LOG#221. Kepler+Cosmic speeds.

Posted on by August 24, 2020
Reply

Hi, there! Today some Kepler third law stuff plus cosmic speed calculations and formulae. Cosmic speed sounds cool…But first… From High School, you surely calculated how fast is  A PLANET moving around the sun (or any star, indeed). To simplify … Continue reading →

LOG#174. Basic black hole physics.

Posted on by July 30, 2015
3

In this year, 2015, we celebrate the Light Of Year (LOY) and one century of general relativity (GR), a misnomer for something that should be called relativistic theory of gravity. Let me celebrate the centenary of general relativity with some … Continue reading →