When the star exploded, it sent out a blast wave into the surrounding material, scooping up interstellar dust and gas as it went, like a snow plow.

当这颗恒星爆发的时候，它产生的冲击波向周围扩散，如同一个铲雪犁一般掀起路径上的星际尘埃。

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A fairly strong cold wave will hit most of China within 3 days, bringing massive snow and rains, the National Meteorological Center reported.

据中央气象台报道，未来3天，较强冷空气将影响中国大部地区，带来大范围雨雪天气。

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An ongoing cold wave with heavy snow and record low temperatures delayed air flights and snarled road travel across much of Europe. (JOE KLAMAR/AFP/Getty Images)

持续的暴雪低温和史无前例的低温天气延误了很多航班，冰雪袭击几乎大部分的欧洲地区。

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(Speaking) Conditions are not much better in France, where weather forecasters are predicting more arctic temperatures on Monday and a wave of snow to hit some parts of the country on Tuesday.

VOA: standard.2010.01.10

"We are watching a conveyor belt of wave after wave of snow coming in over the Atlantic, " said Alan Dunham, meteorologist with the weather service in Taunton, Mass.

NPR: Late-Winter Storm Sweeps Into New England

Since this term is totally without meaning, she can then claim that the latest forest fire, the latest hurricane, the latest drought, flood, snow, cold snap, heat wave, or tornado were cause by man, and that scientist X said so.

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This relatively minor shift, the model found, still produces enough energy to initiate a wave-like pulse of crystal-shattering snow separation that quickly propagates uphill and leads to a major release of the upper layer.

MSN: How a deadly avalanche can be triggered