If a rocky planet is big enough - say, 10 times the mass of Earth - it can vacuum up so much hydrogen that its atmosphere ends up constituting most of the planet.

如果一个由岩石组成的行星足够的大——比方说，质量是地球的10倍——它可以吸收如此多的氢，以至于他的大气层最终会形成大部分的行星。

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It takes a weather-forecasting model of the atmosphere and injects particles of a specified mass and size at a particular place (the "source term").

它有一个天气预报的大气模型，并在一个特殊区域注入指定规模和大小的微粒(源项)。

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In the top image, a bright mass of charged particles loops from the Sun's atmosphere.

在上面的图像中，一个明亮的大圈的带电粒子在太阳的大气中。

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Flares are associated with huge eruptions of matter from the Sun's atmosphere - known as coronal mass ejections (CMEs).

BBC: Four colossal Sun flares in 48 hours