What a Year in Space Did to Scott Kelly

An unprecedented and illuminating study monitored identical twins, one in space and one on Earth.Marina Koren Apr 11, 2019 Scott Kelly rests after the landing of the Soyuz space capsule.Kirill Kudryavtsev / AP In the debate over whether human beings should set off to other worlds beyond Earth, one of the most compelling cons is this: Our bodies don’t like it. Few people know this better than Scott Kelly, the NASA astronaut who spent nearly a year on the International Space Station from 2015 to 2016. Like other astronauts, Kelly served as a test subject in the study of space travel’s effects on the human body. Unlike other astronauts, Kelly has an identical twin, Mark, an astronaut himself. This gave researchers an uncommon opportunity to monitor the two brothers as they lived in two very different environments—one on Earth and the other 250 miles above it. According to their results,…

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Perseid Meteor Shower 2017: How, When and Where to Watch the Year’s Best Cosmic Light Show

Perseid Meteor Shower 2017: How, When and Where to Watch the Year's Best Cosmic Light Show By Hannah Osborne On 8/8/17 at 10:54 AM Close Tech & Science NASA meteor shower perseids 2017 The Perseid meteor shower, one of the best shooting star displays of the year, is set to peak on August 12. It is expected to produce up to 150 meteors per hour and will be visible across the Northern Hemisphere. The best time to watch the shower is late on August 12, or early the following morning. Stargazers hoping to watch the event should find an area away from light pollution and get settled in a comfortable position, allowing about half an hour for their eyes to acclimatize to the dark. Alternatively, a live broadcast of the shower will be shown via the Slooh website on August 12 from 8 p.m. Eastern time. Astronomers will discuss the…

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