这是因为在核聚变过程中有些物质损失了，这些损失的物质就以辐射能的形式发射到宇宙空间。

Some matter is lost during nuclear fusion. The lost matter is emitted into space as radiant energy.

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专家认为，便携式的电子设备会发射出一些辐射，这些辐射能影响飞机用来导航以及跟地面联系的一定波长的电磁波。

Experts know that portable device emit radiation which affects those wavelengths which aircraft use for navigation and communication.

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