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NASA’s making a big exoplanet announcement this week, watch it live!

NASA has had a pretty big month already, but apparently the US space agency’s not done yet. The Ames Research Centre team has revealed that they’ll be making a big announcement on Thursday at 4pm UTC (9am PDT on Thursday, or 2am AEST on Friday) about the exoplanet-hunting Kepler mission. And speculation is already running wild that they may be about to announce the discovery of a new Earth-like planet in the habitable zone of a star… in other words, a potential new home for humanity (or prime spot to look for extraterrestrial life).

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Metal foams found to excel in shielding X-rays, gamma rays, neutron radiation

Lightweight composite metal foams like this one have been found effective at blocking X-rays, gamma rays and neutron radiation, and are capable of absorbing the energy of high impact collisions — holding promise for use in nuclear safety, space exploration, and medical technology applications (credit: Afsaneh Rabiei, North Carolina State University)

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How to plan the ultimate long-term project, from the team who got us to Pluto — By Daniel Terdiman | Fast Company

One thing you don’t expect when planning a nine-year mission to the most distant planet in our solar system is the eventuality that Pluto might not be a planet once you got there.

Yet that’s exactly what went down in 2006. That January, NASA launched its unmanned New Horizons probe, a baby grand piano-sized, 1,054-pound spacecraft, on the first-ever route to Pluto. Then, in August 2006, the International Astronomical Union demoted Pluto to the diminutive status of “dwarf planet.”

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