Ask Ethan #19: Why does the Milky Way look curved?

“The fact that we live at the bottom of a deep gravity well, on the surface of a gas covered planet going around a nuclear fireball 90 million miles away and think this to be normal is obviously some indication of how skewed our perspective tends to be.” –Douglas Adams Even though our main blog … Read moreAsk Ethan #19: Why does the Milky Way look curved?

Ask Ethan #18: Why aren't we a black hole?

“The world owes you nothing. It was here first.” –Mark Twain When you think about where all of this came from — back to the beginning of the Universe — there’s a good chance it makes you a little uncomfortable. For this week’s Ask Ethan, our one remaining column here on ScienceBlogs, our reader vvv … Read moreAsk Ethan #18: Why aren't we a black hole?

A New Adventure for a New Year!

“Actually, I wasn’t happy or sad. I was medium. And medium is the happiest that I’ll ever be.” –Axe Cop It’s been an amazing journey over the years, sharing the joys and wonders of the Universe with you. From the smallest subatomic particles, the most fundamental interactions and the shortest timescales imaginable to the stars, galaxies, … Read moreA New Adventure for a New Year!