Tagged With mars

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Hey Lifehacker! I've been munching on Twix bars since I was able to walk and I recently noticed a distinct change in the way they taste, like the chocolate didn't taste the same? I swear something changed. What happened? I haven't seen any information about this anywhere.

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Earlier this month Elon Musk's SpaceX successfully launched Falcon Heavy, the company's most powerful rocket yet. Inside was a red Tesla Roadster sports car with built-in cameras for capturing what it sees as well as a copy of Isaac Asimov's science fiction book series Foundation, and a plane engraved with 6,000 SpaceX employee names. The car's destination: Mars.

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Earlier today, SpaceX CEO Elon Musk provided fresh details on the company's plans to create a permanent, self-sustaining human on Mars. The key to the mission will be "reuseable" rocket technology which will help to keep costs down. If Musk can be believed, the first colonial cargo drop could occur within five years.

It all sounds incredibly impressive and exciting, doesn't it? But is any of it actually feasible, particularly within the ambitious timeframes given? Here's what three physics, astronomy and earth science experts have to say...