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Thomas Appéré

Thomas Appéré head shot

Thomas Appéré

Thomas Appéré is an associate scientist at L’IPAG, l’Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) in Grenoble, France, and a middle/high school physics and chemistry teacher at Jeanne d'Arc institution in Vitré, France. He holds a Ph.D. in Planetary Sciences and was formerly a post-doc at Laboratoire AIM (CEA-Saclay, France).

His research topic is the exploration of planetary surfaces with remote sensing. He studies the seasonal processes on Mars with OMEGA and CRISM hyperspectral images, focussing on the role of seasonal water ice deposits in the present martian water cycle. He also works on the massive inversion of VIMS observations of Titan.

Latest Processed Space Images

Small Asteroids and Comets Visited by Spacecraft as of December 2018, in Color

February 25, 2020

A montage of 18 of the 20 asteroids and comets that have been photographed up close as of December 2018, when New Horizons flew past Arrokoth. This version is in color but does not show the bodies at their correct relative albedo or brightness. Not included are Vesta or Ceres, both of which are many times larger than Lutetia.

Curiosity MAHLI self-portrait at the Kimberley, sol 613

October 23, 2019

Curiosity used her robotic arm to capture a self-portrait at the Kimberley, an outcrop of several varieties of sandstone rock. This version of the image has been aligned so that it may be compared with this version of the self-portrait taken at Rocknest on sol 84.

Sanquhar, an interesting rock on Vera Rubin Ridge, Curiosity sol 2019

October 23, 2019

While atop Vera Rubin Ridge, Curiosity stopped at a site called Bressay that had a jumbled collection of various Gale rocks. The left image is from Mastcam, the right from ChemCam, colorized with the Mastcam data.

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