The steady deterioration of the very climate of this very planet is becoming a war of the first order, and by any measure, the U.S. is losing.

这个星球气候的持续恶化正在发展为一场至关重要的战争，不论以哪种标准衡量，美国都在输掉这场战争。

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As Europa orbits its planet, however, it flexes due to the gravitational tug-of-war between it, its sister moons, and Jupiter.

然而，当木卫二绕其行星运行时，由于姊妹卫星和木星之间的引力拉锯战，它会弯曲。

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The idea of rogue planets wandering the galaxy is not as far-fetched as it may sound. Gravitational tugs-of-war with other planets or passing stars can boot a planet out of its solar system.

流浪行星在星系中游走这个概念并没有它听起来那么难以捉摸，与其他星球或流星的引力之战很有可能使该星球脱离太阳系。

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Moving pictures from before World War Two showed a man named Buck Rogers landing on the planet Mars.

VOA: special.2010.06.27

"The excess deaths reported in the Congo since 1998 make the conflict there the bloodiest conflict on the Planet since World War II,".

VOA: standard.2009.09.12

Its fiery colour and erratic movement across the night sky terrified the ancient Greeks and Romans, causing them to name the planet after their gods of war.

ECONOMIST: Martian chronicles

In the show, the race of Daleks was said to have been developed by a scientist to survive a war on their home planet of Skaro.

BBC: Doctor Who Dalek designer Ray Cusick dies after illness

Indeed, the way things are going, by November 2012, we may see the Mideast - and perhaps other parts of the planet - plunged into a cataclysmic war.

CENTERFORSECURITYPOLICY: Center For Security Policy