And If The Comet Misses
Scientists who are tracking atomic time say the days on Earth are getting longer by milliseconds all the time -350 million years ago, each day lasted only 22 hours. This is not necessarily good news, even for worn-out, two-career couples. It’s due to the fact that the moon and Earth exert subtle gravitational effects on each other. The moon is gradually moving away from us, and its orbit is slowing, which is slowing Earth’s rotation in turn....