Don’t be.

Don Yeomans, senior research scientist at NASA’s Jet Propulsion Laboratory in Pasadena, CA, was kind enough to address some common questions regarding , such as the much-misunderstood Mayan “long-count” calendar, Nibiru, pole-reversal and other such purported “doomsday” devices. Check it out.

Still set on the world ending come Dec. 21?

Back off, man. Don’s a scientist.

Source: Universe Today