19 December 07

But When Should Be The Holiday?

UC Davis researchers have calculated that the solar system is 4.568 billion years old, give or take about a million years or so. They established this figure in a study of carbonaceous chondrite meteorites, comparing ratios of chromium-53 to manganese. They do not report the day of the week it all began.

Posted by at 11:50 PM in Nature and Place | Link |

Previous: Next: