NASA Celebrates Black Hole Friday on Black Friday

November 30, 2014 4:10 AM

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Not everyone celebrated Black Friday by standing in line to buy a flat-screen TV; NASA decided to declare it BlackHoleFriday, and spent the day sharing fun and interesting facts about the strange cosmic phenomena.

Using the hashtag #BlackHoleFriday, @NASA tweeted a series images and interesting facts about the objects in the center of galaxies whose gravity is so strong not even light can escape.

Also read: NASA is launching a box of lasers to make the coldest spot in the universe

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