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Philae (/ ˈ f aɪ l iː / [6] or / ˈ f iː l eɪ / [7]) was a robotic European Space Agency lander that accompanied the Rosetta spacecraft [8] [9] until it separated to land on comet 67P/Churyumov–Gerasimenko, ten years and eight months after departing Earth.
The gift-exchange game, also commonly known as the gift exchange dilemma, is a common economic game introduced by George Akerlof and Janet Yellen to model reciprocacy in labor relations. [1] The gift-exchange game simulates a labor-management relationship execution problem in the principal-agent problem in labor economics. [ 2 ]
White Elephant is a party game in which players bring wrapped gifts at a set price, such as $20. From there, they draw numbers and pick the gifts out one by one from the pile. They also have the ...
Rosetta 's Philae lander successfully made the first soft landing on a comet nucleus when it touched down on Comet Churyumov–Gerasimenko on 12 November 2014. [35] [36] [37] On 5 September 2016, ESA announced that the lander was discovered by the narrow-angle camera aboard Rosetta as the orbiter made a low, 2.7 km (1.7 mi) pass over the comet ...
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A robotic lunar lander launched by a private U.S. company was initially scheduled to reach the moon at 5:30 p.m. ET but was delayed. U.S. lands unmanned Odysseus spacecraft on moon [Video] Skip to ...
A white elephant gift exchange, [1] Yankee swap [2] or Dirty Santa [3] [nb 1] is a party game where amusing and impractical gifts are exchanged during Christmas festivities. The goal of a white elephant gift exchange is to entertain party-goers rather than to give or acquire a genuinely valuable or highly sought-after item. [ 3 ]
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