Einstein
Gravity Probe B Confirms Two of Einstein’s Space-Time Theories
[/caption] Researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of NASA’s longest-running projects. The…
This is Getting Boring: General Relativity Passes Yet another Big Test!
[/caption] Published in 1915, Einstein's theory of general relativity (GR) passed its first big test just a few years later,…
Gravity Formula
The gravity formula that most people remember, or think of, is the equation which captures Newton's law of universal gravitation,…
What is Space?
First, some simple answers: space is everything in the universe beyond the top of the Earth's atmosphere - the Moon,…
Gravity Equation
There is not one, not two, not even three gravity equations, but many! The one most people know describes Newton's…
Cosmological Constant
[/caption] The cosmological constant, symbol Λ (Greek capital lambda), was 'invented' by Einstein, not long after he published his theory…