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.
Originally published on Fri March 27, 2015 3:45 pm
The crash of Germanwings Flight 9525 into the French Alps earlier this week appears to have been a deliberate act carried out by a co-pilot.
It is too soon to put the label "suicide" on the co-pilot's actions. Not enough is known yet about his state of mind or what his motivation might have been. But as investigations continue, the incident raises questions about whether better mental health screening can prevent a person with suicidal tendencies from taking charge in the cockpit in the first place.
When Jane McGonigal was bedridden after a concussion, she gave herself a prescription: play a game. She says games helped her get better, and for many of us, virtual games can improve our real lives. Here's her first TED Talk about using games to solve real world problems:
A Russian rocket has carried a Russian cosmonaut and an American astronaut to the International Space Station, where they will live for a full year, twice as long as people usually stay.
No American has remained in space longer than 215 days. Only a few people have ever gone on space trips lasting a year or more — the longest was 437 days — and they're all Russian cosmonauts. The last year-plus stay in space occurred nearly two decades ago.