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  1. NASA’s OSIRIS-REx spacecraft has been at asteroid Bennu since Dec. 3rd, 2018. On that day, it went from travelling to the asteroid to travelling around it. Since then it’s been surveying and mapping Bennu. Now OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer) has reached a new milestone. On June 12th, the spacecraft executed …

    The post This is the Closest OSIRIS-REx has Gotten to Bennu. Just 680 Meters Above the Asteroid appeared first on Universe Today.

  2. One of the obstacles to long space missions is the muscle loss that astronauts suffer from. It’s called atrophy, and NASA says that astronauts can lose up to 20% muscle mass during missions of only 5 to 11 days. This muscle loss affects what are called “anti-gravity muscles,” including calf muscles, the quadriceps and the …

    The post New Ideas to Reduce Muscle Loss During Spaceflight appeared first on Universe Today.

  3. It’s that time again! This week’s Carnival of Space is hosted by Pamela Hoffman at the Everyday Spacer blog. Click here to read Carnival of Space #616. And if you’re interested in looking back, here’s an archive to all the past Carnivals of Space. If you’ve got a space-related blog, you should really join the carnival. …

    The post Carnival of Space #616 appeared first on Universe Today.

  4. Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier ) Dr. Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg & ChartYourWorld.org) Dr. Brian Koberlein (briankoberlein.com / @BrianKoberlein) Tonight we are pleased to welcome Corey Gray, Lead Operator at the LIGO Hanford Observatory. Corey earned dual Bachelor of Science degrees in Physics and Applied Mathematics from …

    The post Weekly Space Hangout: June 19, 2019 – Corey Gray, Lead Operator at the LIGO Hanford Observatory appeared first on Universe Today.

  5. On Earth, clouds form when enough droplets of water condense out of the air. And those droplets require a tiny speck of dust or sea salt, called a condensation nuclei, to form. In Earth’s atmosphere, those tiny specks of dust are lofted high into the atmosphere where they trigger cloud formation. But on Mars? Mars …

    The post Martian Clouds Might Start with Meteor Trails Through the Atmosphere appeared first on Universe Today.

  6. NASA is testing out a new inflatable heat shield which could enable them to send heavier missions to Mars, as well as Venus and Titan.

    The post Inflatable Heat Shield Could Deliver Heavy Payloads to Worlds With a Thick Atmosphere appeared first on Universe Today.

  7. To say there are some myths circulating about Martian dust storms would be an understatement. Mars is known for its globe-encircling dust storms, the likes of which are seen nowhere else. Science fiction writers and Hollywood movies often make the dust storms out to be more dangerous than they really are. In “The Martian,” a …

    The post Earth has a Water Cycle. Mars has a Dust Cycle appeared first on Universe Today.

  8. A new technology that allows satellites to de-orbit themselves at the end of their lives could help mitigate the problem of space debris.

    The post Satellites Equipped With a Tether Would be Able to De-Orbit Themselves at the end of Their Life appeared first on Universe Today.

  9. This year, the NASA's NIAC Program is looking at some really interesting ideas - such as a water-powered, laser-shooting, asteroid-mining spacecraft!

    The post Robotic asteroid mining spacecraft wins a grant from NASA appeared first on Universe Today.

  10. Jupiter’s moon Europa is an intriguing world. It’s the smoothest body in the Solar System, and the sixth-largest moon in the Solar System, though it’s the smallest of the four Galilean moons. Most intriguing of all is Europa’s subsurface ocean and the potential for habitability. The scientific consensus is that Europa has a subsurface ocean …

    The post Saltwater Similar to the Earth’s Oceans has been Seen on Europa. Another Good Reason Why We Really Need to Visit This Place appeared first on Universe Today.

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