[/caption] Published in 1915, Einstein's theory of general relativity (GR) passed its first big test just a few years later,…
The gravity formula that most people remember, or think of, is the equation which captures Newton's law of universal gravitation,…
First, some simple answers: space is everything in the universe beyond the top of the Earth's atmosphere - the Moon,…
There is not one, not two, not even three gravity equations, but many! The one most people know describes Newton's…
[/caption] The cosmological constant, symbol Λ (Greek capital lambda), was 'invented' by Einstein, not long after he published his theory…