Originally published on Sat March 28, 2015 10:41 am
Guitarist and composer John Renbourn co-founded the group Pentangle and went on to become revered by guitarists around the world. Renbourn was found dead of an apparent heart attack at his home in Scotland on Thursday, after failing to show up for a concert. He was 70 years old.
Originally published on Sat March 28, 2015 11:56 am
Researchers have answered a question that has been nagging them for years: Exactly how long is a day on the planet Saturn? The result (10 hours and 32 minutes or so) was published this week in the journal Nature, and could teach scientists more about the giant, ringed planet.
A day is simply how long it takes a planet to spin all the way around. On Earth, one rotation takes 23 hours, 56 minutes and 4 seconds — though earthlings round up to 24 hours even.