The mostly unknown Callisto’s H corona is created by a global tenuous H2 atmosphere and not by surface water as previously believed, providing the first evidence for H2 in Callisto’s atmosphere.
Anni Määttänen
Editor, JGR: Planets (2019- )
Posted inEditors' Vox
The Mystery of Methane on Mars Thickens
Two recently published papers zoom in on the mystery source of methane in the Martian atmosphere.
Posted inEditors' Vox
Lifting the Veil on Martian Dust Storms
A special collection in JGR Planets presents insights from a long-awaited global dust storm on Mars in 2018 that was closely scrutinized by five orbiting and two landed spacecraft.
Posted inEditors' Highlights
Capturing Pluto’s Heartbeat in a Computer
Unprecedented global climate model simulations, incorporating observational data from the New Horizons mission, reveal atmospheric circulations driven by a large ice cap on Pluto.
Posted inEditors' Highlights
Curiosity Monitors Rare Global Dust Storm From Mars’s Surface
Since the 1970s, no surface platform had made meteorological measurements of a global dust storm on Mars, but last summer NASA’s Curiosity rover witnessed one of these rare events.