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For the first time, physicists in the US have managed to measure the force that attracts antimatter particles to each other. And, surprisingly, it’s not that different to the attractive force that holds regular matter together.

The results take us one step closer to understanding one of the biggest mysteries of our Universe: why there’s so much more matter than antimatter, and suggest that the imbalance isn’t a result of antiparticles not being able to ‘stick’ together.

For every particle that exists – electrons, protons, quarks – there’s an equal and opposite antiparticle, which has the opposite electrical charge and spin, and these antiparticles make up what’s known as antimatter. When the Universe was formed, physicists believe that equal amounts of antimatter and matter were produced, but today it’s very hard to find any naturally occurring antimatter left.

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400 DAYS is a psychological sci-fi film centering on four astronauts who are sent on a simulated mission to a distant planet to test the psychological effects of deep space travel. Locked away for 400 days, the crew’s mental state begins to deteriorate when they lose all communication with the outside world. Forced to exit the ship, they discover that this mission may not have been a simulation after all.

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NASA’s announcement in late September that it found evidence of flowing water on Mars was only the beginning of the revelations that will be the result of its current Mars mission. The organization’s exploratory mission carried out by the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft began with the intention of examining Mars’ atmosphere to an extent that had never before been possible, and now NASA is about to reveal what it is calling key science findings on the “fate Mars’ atmosphere.”

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NASA is being very tight-lipped about its upcoming announcements, which are scheduled to be made beginning at 2:00 p.m. EST / 11:00 a.m. PST on Thursday, November 5th. If you’re interested in NASA’s current mission though — and you certainly should be — you’ll be able to find out what NASA has in store for us the very same moment that the rest of the world does, because NASA will broadcast its special news conference live on the web.

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NASA is a fan of making announcements about its forthcoming announcements, but so far it hasn’t failed to live up to its hype. First there was the discovery of the most Earth-like exoplanet to date, and just last month researchers shared evidence of salty, flowing water (!!) on the Red Planet.

So suffice it to say that when the US space agency says it’s got something big to share with the world, we’re going to pay attention, and this Thursday at 2pm EST it’s promising to announce “key science findings” about what happened to Mars’ now-thin atmosphere. We’ll be live reporting the announcement as it happens, and you can watch along with us from the comfort of your home or office below via NASA TV.

The question we’re all asking, naturally, is what the hell NASA might have in store for us. So far, we don’t have a whole lot to go on, but what we do know is that the research comes fom the MAVEN (Mars, Atmosphere and Volatile Evolution) spacecraft, which has been orbiting Mars since 2014 and studying its upper atmosphere. These will be the first findings announced from the mission.

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