Dark Energy

Category archives for Dark Energy

“It is always wise to look ahead, but difficult to look further than you can see.” -Winston Churchill There’s plenty to learn about, to see and to discover when we look out at the Universe today. From the leftover glow from the Big Bang in the microwave to the hundreds of billions of galaxies and…

The Disappearing Universe (Synopsis)

“I realise now that I wanted to disappear. To get so lost that nobody ever found me. To go so far away that I’d never be able to make my way home again. But I have no idea why.” -Jessica Warman When you think about the galaxies up there in the night sky, only visible…

“If you put yourself in a position where you have to stretch outside your comfort zone, then you are forced to expand your consciousness.” -Les Brown On the one hand, you’ve got gravitation, the most powerful force in the Universe, trying to attract all the matter in it together. If it had its way, not only…

Ask Ethan #24: Cheating Time and Space

“For the wise man looks into space and he knows there is no limited dimensions.” -Lao Tzu You know the deal: it’s the end of the week, so it’s time for another Ask Ethan! You’ve continued to send in your questions-and-suggestions, much to my delight, and I’m pleased to tell you that this week’s question…

“Some say the world will end in fire, Some say in ice. From what I’ve tasted of desire I hold with those who favor fire. But if it had to perish twice, I think I know enough of hate To say that for destruction ice Is also great And would suffice.” -Robert Frost Depending on…

“One sees qualities at a distance and defects at close range.” -Victor Hugo A couple of weeks ago we took a look at the most distant galaxy (so far) in the known Universe, a galaxy so far away that it takes exclusively infrared observations from our most power space telescopes (Hubble and Spitzer) in order…

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…

“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…

The Far Future of our Solar System

“No valid plans for the future can be made by those who have no capacity for living now.” -Alan Watts “They do not see what lies ahead, when Sun has faded and Moon is dead.” -J.R.R. Tolkien One of the most amazing facts about the Universe is that, despite only having spent a few hundred years…

What Makes Up The Universe?

“The cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us—there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, or falling from a height. We know we are approaching the greatest of mysteries.” -Carl…