Ninety percent of alleged UFO sightings can be easily explained as falling meteors, swamp-gas reflections, or doughy orbs hurled into orbit by Herculean pizza makers. Enjoy earthbound eats with today's Groupon: for $8, you get $20 worth of delivery or carryout pizza and drinks from Smack Daddy Pizza in Longmont.

Smack Daddy Pizza serves a tongue-tantalizing menu of doughy discs slathered with sauce, strewn with fresh toppings, and baked to bubbly golden brown. Customers can chew on crusts in a quartet of sizes, selecting from 12-inch ($9+), 14-inch ($11.50+), 16-inch ($13.50+), and the 20-inch ($16+) box buster, sized to feed a large group or one lonely grizzly bear. Chow down on specialty sliceables, such as the Granddaddy ($19.50 for 14-inch) stacked with pepperoni, sausage, black olives, mushrooms, onion, and green peppers. Craftily create your own pie with toppings ($1.50+ per topping) such as canadian bacon to sate meaty appetites, sun-dried tomatoes to add color, and garlic to repel all but your one true love. Nonpizza-lovers can silence belly rumbles with selections such as a meatball sub sandwich ($6), caesar salad ($5), or cinnamon-sugar twists ($5).