Like beaming parents showing off pictures of their newborn, astronomers this week proudly unveiled the sharpest snapshot of the baby universe ever taken. The scientists had a lot to smile about.
HOT AND COLD. Hot (red) and cold (blue) spots in the cosmic microwave background, as seen by the WMAP satellite. This is the sharpest portrait of the universe ever made.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.