NASA has released a video in response to popular theories that the world will end on Dec. 21, 2012, in a supposed "Mayan apocalypse."

It’s unknown whether NASA released the "apocalypse not" video early as an accident or on purpose, but one thing is clear: It’s a decisively scientific “told you so” to anyone who believes that the world will end on Dec. 21, 2012.

“December 22, 2012. If you’re watching this video it means one thing. The world didn’t end yesterday,” the video begins. “According to media reports of an ancient Mayan prophecy the world was supposed to be destroyed on December 21, 2012. But look around you. The whole thing was a misconception from the very beginning.”

NASA’s video explains in depth the ideas behind the Mayan calendar, likening it to a car’s odometer. At a certain point, the Mayan long-form calendar “rolls over” much as an odometer would at 100,000 miles. On Dec. 21, the calendar is supposed to roll over again, signifying the passing of 13 baktuns. Each baktun is more than 5,000 years. While this was significant for the Mayans, it wasn’t meant to be a harbinger of doom.

“None of the thousands of runes, tablets, and standing stones that archaeologists have examined foretell an end of the world,” the video notes.

Following the discussion of actual Mayan beliefs, the NASA video went on to scientifically debunk many of the supposed apocalypic threats to the Earth’s safety. Neither a rogue planet nor the sun’s solar flares are any threat to the world.

This isn’t the first time that NASA has worked to combat rumors about the world ending on Dec. 21, 2012. The space agency put up a surprisingly in-depth Q and A about the supposed Mayan apocalypse theory on its website a few months ago in an effort to thoroughly dispel the idea that the world will be ending soon.

NASA also went on to explain the origin of the apocalypse hoax in depth on their Q and A session.

"The story started with claims that Nibiru, a supposed planet discovered by the Sumerians, is headed toward Earth,” NASA wrote. “This catastrophe was initially predicted for May 2003, but when nothing happened the doomsday date was moved forward to December 2012 and linked to the end of one of the cycles in the ancient Mayan calendar at the winter solstice in 2012—hence the predicted doomsday date of Dec. 21, 2012."

Of course, Nibiru is not a real planet. If it were, and if it were anywhere near where doomsday predictions place it, NASA "would have been tracking it for at least the past decade, and it would be visible by now to the naked eye."

Watch the NASA apocalypse video for yourself below.