What does the Universe really look like?

“On a cosmic scale, our life is insignificant, yet this brief period when we appear in the world is the time in which all meaningful questions arise.” –Paul Ricoeur Ask anyone who’s looked up at a dark sky on a clear, moonless night, and you’ll immediately hear tales about how incomprehensibly vast the Universe is. … Read moreWhat does the Universe really look like?

Why the Universe needs Dark Matter (and not MOND) in one graph

“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 … Read moreWhy the Universe needs Dark Matter (and not MOND) in one graph

Yes, we really, REALLY need Dark Matter!

“If you wish to make an apple pie from scratch, you must first invent the Universe.” –Carl Sagan The Universe is a lot like an extremely intricate cake. We view it today as a snapshot in time, now that it’s complete. We can view the whole thing from one point of view, determined by where … Read moreYes, we really, REALLY need Dark Matter!

Say Something Smart

“You must learn to talk clearly. The jargon of scientific terminology which rolls off your tongues is mental garbage.” –Martin H. Fischer I’ve always thought that the Universe is absolutely amazing; that everything from the tiniest indivisible particles all the way up to the largest structures and superstructures making up the Universe has an amazing … Read moreSay Something Smart

What does the Universe look like beyond our Galaxy?

“Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.” –Carl Sagan Our night sky, quite literally, is our window to the Universe. Well, it’s kind of a … Read moreWhat does the Universe look like beyond our Galaxy?

One does not simply "believe" in Dark Energy…

This is an enhanced version (with some upgraded images and text) of an article I first wrote over two years ago. It is just as valid today as it was back then, only today, I have a special offer to go with it. Next week, a bunch of cosmologists and myself are getting together and … Read moreOne does not simply "believe" in Dark Energy…