NGC 4258 Maser Disk
Maps water masers orbiting in a thin Keplerian disk in NGC 4258, providing compelling dynamical evidence for a massive central black hole.
Follow Makoto Miyoshi through 1 dated historical records for Japan.
A chronological timeline drawn from matching World History Database records.
Maps water masers orbiting in a thin Keplerian disk in NGC 4258, providing compelling dynamical evidence for a massive central black hole.
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.