New article on Inoreader

https://www.youtube.com/channel/UCKv3UT62zZgBWeZ4j8gpkjgWhat is Space Time and how it works? - Black Holes and Our Solar System Documentary -

Space-time is a mathematical model that joins space and time into a single idea called a continuum. This four-dimensional continuum is known as Minkowski space. ... Also, the strength of any gravitational field slows the passage of time for an object as seen by an observer outside the field.