How’s this for a long-range forecast? NASA knows that on January 27, in the year 2837, a total solar eclipse will pass over southern Mexico. If the onlookers (our descendants or our conquering alien overlords) are lucky, and it’s a clear day, they’ll see something like this — a show that’s captivated people on this planet for as long as we’ve been on Earth.

NASA knows this because the space agency keeps a five millennium catalog of all the eclipses (both solar and lunar) that have occurred or will occur since 1999 B.C. to the year A.D. 3000. They even know the exact time, down to the fraction of a second, that the eclipses will occur. Here are the stats for that 2837 eclipse over Mexico. FULL REPORT