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WonderFact271 of 1,961

The Sun shines because hydrogen atoms fuse into helium in its core.

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Science

Why it matters

The idea in context

The Sun shines by fusing hydrogen into helium in its core, converting a little mass into enormous energy — a controlled star-sized furnace 150 million km (93 million miles) away.

Türkçe

Aynı kart, başka bir dilde.

Güneş, çekirdeğinde hidrojen atomları helyuma kaynaştığı için parlar.

Güneş, çekirdeğinde hidrojeni helyuma kaynaştırarak parlar; az miktarda kütleyi devasa enerjiye çevirir — 150 milyon km (93 milyon mil) ötede, yıldız büyüklüğünde denetimli bir fırın.

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Background reading: Nuclear fusionAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
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The Space Race turned the sky into a political battlefield — and accidentally built the world we live in.

It began in October 1957, when Sputnik — a beeping metal sphere just 58 cm wide — passed over America and triggered the creation of NASA within a year. Twelve years later, Apollo 11 stood on the Moon. But the race's real legacy is under your thumb: weather and communication satellites, GPS navigation, and a young microchip industry supercharged by Apollo's demand for tiny, reliable electronics. The rivalry was political; the infrastructure it left behind became everyone's.

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