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The X-ray image shows an expanding shell of hot gas produced by the explosion.

这张X射线的照片展示了爆炸后产生的气体膨胀的外壳。

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Such stars eventually blow off the material of their outer layers, which creates an expanding shell of gas called a planetary nebula.

这样的恒星最终炸开了它们的外层物质，形成了向外扩展的气体盔甲，名为行星状星云。

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Ms Farooq's eldest son, Wamiq, was killed in January when a tear gas shell fired by the police exploded on his head.

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To extract Malampaya's gas, Shell will put down nine undersea wells - five in 2002 and four in 2009 - plus a production platform being built in Singapore and Subic.

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The victim told police he was driven to a Shell Gas Station on Memorial Drive in Watertown.

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