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🔵 SCIENCE · 2026-07-20

太陽の光と空の色

Same news, rewritten for 6 Japanese school grades — pick your level below. Furigana + translation included.
160 chars · ~3 min · 25 kanji
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太陽たいようひかりしろえますが、じつはいろいろないろのあつまりです。

ひかりえないなみのように、まっすぐすすちからっています。

あおひかりなみみじかく、あかひかりなみながいです。

空気くうきなかちいさなつぶは、みじかなみひかりをよくはねかえします。

そのため、昼間ひるまそら一面いちめんあおえるのです。

夕方ゆうがたひかりとおくから空気くうきなかとおってるので、あかいろがのこります。

Translation

Sunlight looks white, but it is really a gathering of many colors.

Light has the power to travel straight like a wave our eyes cannot see.

Blue light has short waves, while red light has long waves.

Tiny particles in the air bounce back short-wave light very well.

That is why the daytime sky looks blue all over.

In the evening light comes from far away through the air, so only the red color remains.

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