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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 ]
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 ...
Here are the rules to White Elephant, according to USA TODAY: Count your players and write numbers on cards. Draw the cards out of a hat to determine the order.
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A lander is a spacecraft that descends towards, then comes to rest on the surface of an astronomical body other than Earth. [ 1 ] [ page needed ] In contrast to an impact probe, which makes a hard landing that damages or destroys the probe upon reaching the surface, a lander makes a soft landing after which the probe remains functional.
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 ]