(CNN) -- Black Friday bargain hunters, do you ever get the feeling that you're being sucked in somewhere against your control, rapidly descending to a dark, cold place?
It could be that feeling after you snatch the last Xbox away from a 9-year-old. Or it could be a black hole.
Shoppers may have Black Friday, but NASA scientists have something that's arguably better: Black Hole Friday.
NASA spent the day tweeting facts about black holes, including a handful of Black Friday-themed jokes.
If humor isn't your thing, the agency also tweeted out a black hole-themed game.
The space agency sent out over a dozen tweets and retweets on black holes.
The '2-for-1 deal' was a hit, garnering over 1,000 retweets.
NASA defines a black hole as 'a place in space where gravity pulls so much that even light cannot get out,' where 'the gravity is so strong because matter has been squeezed into a tiny space.'
The space agency also posted some fun and less-known facts about black holes: For example, some scientists believe that the smallest black holes are the size of a single atom.
Entities 0 Name: NASA Count: 3 Related 0 Url: http://ift.tt/11Zi7uJ Title: Black Friday 2014: Store Hours For Your Favorite Retailers Description: Posted: Black Friday seems to be arriving earlier than ever this year, with many stores kicking off the shopping frenzy on Thanksgiving. Here's a guide to help you manage through the chaos. Kevin Short contributed reporting American Girl - Thanksgiving (closed), Black Friday (vary by store) Barnes & Noble - Thanksgiving (closed), Black Friday (vary by store) Best Buy - Thanksgiving (5 p.m.
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