Tag
#nuclear-fusion
2 articles
Astronomy & Cosmology
The Sun: A Nuclear Furnace, Not a Fire
The Sun runs on nuclear fusion, not combustion, converting mass to energy — and that energy takes roughly 100,000 years to escape the core before reaching Earth.
10 minJul 25, 2026
Astronomy & Cosmology
Where the Elements Come From
The calcium in your bones and the iron in your blood were built by nuclear fusion in stellar cores — a ladder that climbs to iron and then can climb no further.
10 minJul 8, 2026