Comet style applications maximize connection timeouts and infrastructure to provide updates to the browser more quickly than other solutions and with less data sent — which sounds great.

comet样式的应用程序将连接超时值设置为最大，并充分利用基础设施来提供比其他解决方案更快的浏览器更新速度，而且数据传输量更少——这听起来非常不错。

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The 1910 return of Halley's Comet was particularly great one.

1910年哈雷彗星的回归是非常棒的一件事情。

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Brian Karczewski, 24, got a great shot of the comet from a California church parking lot and submitted an iReport about it.

CNN: Stargazers capture images of comet

"A bright comet in the sky is great for me since the universe is giving me a new and captivating way to inspire people as part of the experiences I offer at the observatory, " he said.

CNN: Stargazers capture images of comet

That survey was requested by America's Congress nearly a decade ago, and was stimulated in part by the dramatic images of Comet Shoemaker-Levy, whose collision with Jupiter in 1994 generated a great deal of public awareness of the risk of asteroid impacts. (A couple of Hollywood films exploring doomsday scenarios also swayed opinion.) In 2005 Congress ordered the survey that is about to start.

ECONOMIST: The American Association for the Advancement of Science