At times, enough gas builds up for the dwarf to collapse, leading its carbon to fuse nearly instantly and the dwarf to explode in a Type I supernova, which can outshine a galaxy for a few months.

有时，足够的气体会积累起来导致这颗矮星发生坍缩，使得它的碳原子几乎能立即聚合，而爆炸成为I类超新星，它在几个月内的亮度能超过一个星系。

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A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.

极环星系是种稀有的星系类型，它们有着几乎和银盘平面垂直，呈环形公转的大量的恒星、气体和星尘。

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Another type of high temperature gas reactor is what we call a pebble bed reactor.

另一种高温的气体反应堆是，我们称之为卵石层反应堆。

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Reports in the Russian media said that the Kremlin was considering a bailout-for-gas type of deal, where Russia would gain access to Cyprus natural gas reserves.

FORBES: Cyprus Gets Thrown New Life Line

In almost all parts of rural India- north, south, east and west- wise villagers have been making use of this type of bio-gas for cooking for centuries.

FORBES: Initiative Would Shutter California Nuclear Plants For Decades While Feds Ponder Waste

Also a type of electric vehicle, a fuel-cell car takes hydrogen gas and converts it into electricity, while emitting only water vapor.

CNN: Hydrogen fuel-cell cars look to overtake electric autos