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Historical person

William Grundy Biography

Historical biography and chronological timeline for William Grundy, based on 4 World History Database records associated with United States of America.

4 records2015–20152 events0 places

Chronological biography

2015

Pluto1 July 2015
Science / Astronomy

New Horizons' Ralph spectrometer detects frozen methane on Pluto during approach, confirming the molecule from spacecraft observations.

Pluto21 September 2015
Science / Astronomy

A New Horizons methane map shows that methane ice is distributed unevenly across Pluto's surface.

Pluto8 October 2015
Science / Astronomy

New Horizons compositional mapping identifies numerous exposed regions of water ice on Pluto's surface.

Pluto Atmosphere8 October 2015
Science / Astronomy

Color observations show that Pluto's high-altitude atmospheric haze appears blue when viewed in scattered sunlight.

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.