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Conference roundup: AGU 2021

Tug of sun, moon could be driving plate motions on ‘imbalanced’ Earth

Gas extraction line in Rita Parai's laboratory (Photo: Sean Garcia)

Volatile bodies: Isotopic fingerprints reveal how planets gain and lose elements

A river runs through it

'Eggshell planets’ are rocky worlds that have an ultra-thin outer brittle layer and little to no topography. Here, an artist’s rendition of such an exoplanet. (Image: NASA)

Space.com: Strange 'eggshell' exoplanets may have ultra-smooth surfaces

'Eggshell planets’ are rocky worlds that have an ultra-thin outer brittle layer and little to no topography. Here, an artist’s rendition of such an exoplanet. (Image: NASA)

Tread lightly: ‘Eggshell planets’ possible around other stars

The Chang'e 5 return capsule at its landing site in Inner Mongolia, China, on Dec. 17, 2020. (Image credit: CNSA)

Space.com: Moon rocks brought to Earth by Chinese mission fill key gaps in solar system history

Chang’e-5 samples reveal key age of moon rocks

Arvidson in lab meeting

St. Louis Public Radio: Wash U scientists to continue Mars research with $11.8 million NASA contract renewal

A close-up of Mars taken by NASA's Hubble Space Telescope. New research suggests that the red planet may be too small to have ever had large amounts of surface water.

NPR: Mars had liquid water on its surface. Here's why scientists think it vanished.

Forbes: Martian blues: Did planet's size affect its ability to hold onto water?

Time: Mars was always destined to die