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The sun is a ferocious ball of energy that can eject massive amounts of plasma from its surface in our direction, causing our equipment to go screwy.

太阳是一个能量惊人的大火球，它的表面能够向地球释放大量等离子，从而导致我们的设备工作异常。

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As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.

日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。

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It operates by focusing a laser pulse in the air to create a high energy plasma ball (up to several kilometers away) at a target.

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These form a ball of plasma about 300 times hotter than the surface of the Sun.

BBC: Artist's representation of a black hole,

However, even if the ball of plasma is a black hole, it is not thought to pose a threat.

BBC: Artist's representation of a black hole,