Ask Ethan #39: Why does light stretch as the Universe expands? (Synopsis)

“They say the universe is expanding. That should help with the traffic.” –Steven Wright When you think of the expanding Universe, you very likely think of galaxies moving away from one another, of space getting stretched, and quite possibly, of light redshifting as it travels through this expanding, stretching space. But does it have to be this way? … Read moreAsk Ethan #39: Why does light stretch as the Universe expands? (Synopsis)

Throwback Thursday: The 95th Anniversary of Relativity’s Confirmation (Synopsis)

“Oh leave the Wise our measures to collate. One thing at least is certain, light has weight. One thing is certain and the rest debate. Light rays, when near the Sun, do not go straight.” –Arthur Eddington It might seem like General Relativity has been around forever, but it’s been less than a century since … Read moreThrowback Thursday: The 95th Anniversary of Relativity’s Confirmation (Synopsis)

The Temperature of Dark Matter (Synopsis)

“Science casts a long black shadow back over who we think we are, and where it falls the temperature falls with it. Its touch is chilly and unforgiving.” –Richard K. Morgan Here on Earth, when we’re dealing with normal matter, it’s relatively easy to measure the temperature of something. Even if you don’t have a thermometer … Read moreThe Temperature of Dark Matter (Synopsis)

Messier Monday: The Galaxy at the Head-of-the-Chain, M84 (Synopsis)

“Man must rise above the Earth, to the top of the atmosphere and beyond, for only thus will he fully understand the world in which he lives.” –Socrates It’s hard to believe that it’s been nearly two years since we started our Messier Monday series, and so with only 110 objects to go through, we’re … Read moreMessier Monday: The Galaxy at the Head-of-the-Chain, M84 (Synopsis)

Weekend Diversion: The Best (Worst) Fake Astro Pics (Synopsis)

“Some people think that the truth can be hidden with a little cover-up and decoration. But as time goes by, what is true is revealed, and what is fake fades away.” –Ismail Haniyeh You might have thought that it’s only human standards of beauty that are skewed by the rampant photoshopping of models and media … Read moreWeekend Diversion: The Best (Worst) Fake Astro Pics (Synopsis)

Ask Ethan #38: How do I write a science blog? (Synopsis)

“There is no greater agony than bearing an untold story inside you.” -Maya Angelou From questions about the smallest scales to the largest, from Earthly phenomena to things we could only conceive of in theory, our Ask Ethan series is your opportunity to have anything you ask considered for a column. This week, though, is a … Read moreAsk Ethan #38: How do I write a science blog? (Synopsis)

Throwback Thursday: The Big Bang’s Last Great Prediction (Synopsis)

“These neutrino observations are so exciting and significant that I think we’re about to see the birth of an entirely new branch of astronomy: neutrino astronomy.” -John Bahcall From the Hubble expansion of the Universe to isotropy and homogeneity to the light elements to the leftover radiation glow to the formation of large-scale structure in … Read moreThrowback Thursday: The Big Bang’s Last Great Prediction (Synopsis)