William McKinnon Biography

Historical biography and chronological timeline for William McKinnon, based on 3 World History Database records associated with United States of America.

3 records2015–20203 events0 places

Chronological biography

2015

Pluto24 July 2015

Science / Astronomy

Mission scientists conclude that nitrogen, carbon monoxide and methane ices can flow across Pluto at its extremely low temperatures.

2016

Sputnik Planitia1 June 2016

Science / Astronomy

Models using New Horizons data show that Sputnik Planitia's nitrogen ice is renewed by slow convection, producing polygonal surface cells.

2020

Arrokoth Gentle Formation2020

Science / Astronomy

McKinnon and colleagues conclude that Arrokoth's lobes likely joined in a slow, gentle merger during early Solar System formation.

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.