Dr Henry Richter, who has contributed articles to CEH, is a VIP at NASA's 60th Anniversary celebration of America's first satellite. *Audio version included.
The data gathering phase is over, but the data mining phase will continue for years. This entry also shares some news about other solar system objects showing youthfulness.
It's being called the Worst Theoretical Prediction in the History of Physics. Dark energy, and its cousin dark matter, are not showing up in any empirical tests.