Radiant ENERGY: In 1875, Sir William Crookes discovered the properties of Radiant Matter.
辐射能：在1875年，威廉·克鲁克斯先生发现有辐射的物质。
The question asked is, how much of the radiant energy from the sun that falls on a plant is converted into plant organic matter?
要问的问题是：照射到植物上的太阳辐射能有多少转化成植物有机物呢?。
Some matter is lost during nuclear fusion. The lost matter is emitted into space as radiant energy.
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。
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