solar radiation

uncountable

(astronomy) All the electromagnetic radiation and subatomic particles radiated from the Sun, especially that part that reaches the Earth

Japanese Meaning

太陽から放射される全ての電磁放射線およびサブ原子粒子、特に地球に到達する部分。

Researchers measured the increase in solar radiation during the recent solar flare.

研究者たちは、最近の太陽フレアの際に地球に到達する太陽からの放射線の増加を測定した。

Sense（1）

(astronomy) All the electromagnetic radiation and subatomic particles radiated from the Sun, especially that part that reaches the Earth