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One of the major roadblocks our culture has in regards to space travel is that in order to travel at speeds that could make a trip to a distant planet or star in a reasonable time frame is the application of energy: currently, we’re stuck burning chemical fuel to propel our vehicles, of which means also lugging that fuel along with the vehicle, meaning the vehicle weighs more because of the extra fuel, meaning the vehicle has to carry more fuel to offset that weight — it unfortunately becomes a cycle of inefficiency, making for a very slow vehicle.
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Astronomers may be in for a treat early next month, as asteroid 2013 TX68 may make a close pass to Earth sometime between March 3–8, 2016, making it possible that it will be visible through telescopes. Despite how close it is expected to come to us, NASA doesn’t expect it to hit Earth — this time.
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