Here’s a mind-expanding set of photos from Boston.com’s photo feature, The Big Picture — taken by satellites or by astronauts as they fly above the Earth. The images come from NASA’s Earth Observatory. Talk about taking the 30,000-foot view …
Earth from space, on the Big Picture
Science
Planck satellite data: What it can tell us about the universe
Today—March 21, 2013—the much-anticipated cosmological results from the Planck satellite have been released. In a recent blog post on her own website, TED Fellow and cosmologist Renée Hlozek describes why this is a big day for astrophysics and cosmology. We asked her to explain what the excitement is all about. “Planck is the ‘next generation’ satellite that measures the tiny fluctuations in […]
Science
TED Weekends: A meditation on asteroids
In Phil Plait’s talk from TEDxBoulder, “How to defend earth from asteroids,” he astonishes the audience, sharing how a single rock hurtling through space could damage our civilization as we know it. This weekend, TED Weekends on the Huffington Post features Plait’s spine-tingling talk. Below, some of our favorite essays from this edition, about those big […]





























