What is dark energy?

“Because dark energy makes up about 70 percent of the content of the universe, it dominates over the matter content. That means dark energy will govern expansion and, ultimately, determine the fate of the universe.” –Eric Linder It’s been a while since we’ve spoken about dark energy, and we were just talking about Einstein’s greatest … Read moreWhat is dark energy?

"Einstein's Greatest Blunder" was REALLY a blunder!

“Anyone who has never made a mistake has never tried anything new.” –Albert Einstein Back when Einstein first proposed his theory of General Relativity, his revolutionary picture of the Universe was met with a mix of curiosity, awe, and intense skepticism. It isn’t every day that your most cherished of all physical theories — the … Read more"Einstein's Greatest Blunder" was REALLY a blunder!

How Big is Our Observable Universe?

“The mind, once expanded to the dimensions of larger ideas, never returns to its original size.” –Oliver Wendell Holmes When General Relativity supplanted Newton’s work as our theory of how gravity works in the Universe, it didn’t just change how we view how masses attract, it gave us a new understanding of what the questions where … Read moreHow Big is Our Observable Universe?

Empty space has more energy than everything in the Universe, combined

“Nothing exists except atoms and empty space; everything else is just opinion.” –Democritus of Abdera When you take a look out at the Universe, past the objects in our own solar system, beyond the stars, dust and nebulae within our own galaxy, and out into the void of intergalactic space, what is it that you see? What … Read moreEmpty space has more energy than everything in the Universe, combined