22 February 2017TRAPPIST-1 AtmospheresJulien de Wit
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.
Historical records for Belgium in 2017, rendered directly from the World History Database and ordered by month, day and event.
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.
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.