A "domino effect" may occur in star systems whereby newly formed planets close to a star help shepherd dust and gas to create more planets farther out in the system. Astronomers using a mountain ...
For the last seven years, with only one failure, a world record has been broken in the small city of Leeuwarden, Netherlands. On November 13, 2009, in an hour and a half, almost 4.5 million dominos ...