Historical biography archive · Updated 2026-11-03

Julien de Wit Biography and Timeline

Follow Julien de Wit through 1 dated historical records for Belgium.

Julien de Wit, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
2017–2017Years on this page

2017

TRAPPIST-1 Atmospheres

Science / Astronomy

De Wit uses Hubble spectra to test atmospheres of Earth-sized TRAPPIST-1 planets and finds no evidence for thick hydrogen envelopes on the inner worlds.

Records, sources and methodology

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.