The last time Saturn and Jupiter, the largest planets in our solar system, orbited as closely as they will on Dec. 21 and were visible in the sky, the year was 1226.

Almost 800 years later, on Monday, these titanic orbs will once again appear in the heavens just one-tenth of a degree apart — about the thickness of a dime held at arm’s length, according to NASA.

Jesus tells us that near the end there will be "“will be signs in sun and moon and stars, and on the earth distress of nations in perplexity because of the roaring of the sea and the waves, people fainting with fear and with foreboding of what is coming on the world. For the powers of the heavens will be shaken.