Permanent historical factsheet

Sputnik Planitia

United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.

4Records
2015–2016Date range
3Named people
0Places

Chronological records

2015

Jeff Moore17 July 2015

Science / Astronomy

Images reveal a vast craterless plain in Pluto's heart-shaped region, indicating surprisingly young terrain.

Jeff Moore17 July 2015

Science / Astronomy

The newly revealed icy plain in Pluto's heart is informally named Sputnik Planum, later standardized as Sputnik Planitia.

2016

William McKinnon1 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.

Douglas Hamilton1 December 2016

Science / Astronomy

Research proposes that Pluto's nitrogen-rich Sputnik Planitia could have formed early and migrated as the dwarf planet's rotation evolved.

Names involved

Douglas HamiltonJeff MooreWilliam McKinnon

Provenance

This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.