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Over the next year, OSIRIS-REx will survey the asteroid using five scientific instruments on board the spacecraft. These instruments will help it determine a safe location from which to collect a small sample from Bennu’s surface that will be returned to Earth in September 2023.

“Bennu’s low gravity provides a unique challenge for the mission,” said Rich Burns, OSIRIS-REx project manager at NASA’s Goddard Space Flight Center. “At roughly 0.3 mile in diameter, Bennu will be the smallest object that any spacecraft has ever orbited.”

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Gardens are good for you. Having 10 per cent more green space in your surroundings can bring health improvements roughly equivalent to being five years younger, according to one study – even when other possible influences like socio-economic status are taken into account. Others have found that people who tend allotments are healthier and have higher self-esteem and well-being, and that each session on their plot is linked to a decrease in the level of the stress hormone cortisol.

So there are lots of reasons to get outside and get growing. Plenty of advice has remained gardening gospel despite going against the laws of nature. We’ve pruned back some of horticulture’s hardiest myths to help you along.

Growing skills: A scientific guide to greener fingers

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LIVE ROCKET LAUNCH: Watch as NASA Astronaut Anne McClain, David Saint-Jacques of the Canadian Space Agency, and cosmonaut Oleg Kononenko of Роскосмос launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan. The crew will orbit Earth in a Soyuz spacecraft for six hours before docking to their new home and beginning their six-and-a-half month mission aboard our orbiting laboratory. Launch is scheduled for 6:31 a.m. EST, with live coverage starting at 5:30 a.m. ESTune in!

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It’s that time of year again, time for one of my favorite holiday traditions: the 11th annual Hubble Space Telescope Advent Calendar. Every day until Tuesday, December 25, this page will present one new incredible image of our universe from NASA’s Hubble telescope. Be sure to bookmark this calendar and come back every day until the 25th, or follow on Twitter (@TheAtlPhoto), Facebook, or Tumblr for daily updates. I hope you enjoy these amazing and awe-inspiring images and the efforts of the science teams who have brought them to Earth. As I do every year, I want to say again how fortunate I feel to have been able to share photo stories with you all year, and how much fun I have putting this calendar together every December. Wishing you all a merry Christmas, happy holidays, and peace on Earth.

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