An amateur astronomer used an old technique to study Jupiter — and found something strange The long-held assumption that Jupiter's iconic swirling clouds are made of frozen ammonia could be upended. Astrobitica January 9, 2025 (Last updated: January 9, 2025) 1 minute read The long-held assumption that Jupiter’s iconic swirling clouds are made of frozen ammonia could be upended. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Discovery poised to help detect dark matter and pave way to unravel the universe’s secretsNext: Why solving crosswords is like a phase transition