Andrew M. Annex

Postdoctoral Research Associate

California Institute of Technology

Biography

Dr. Andrew Annex is a planetary scientist and avid coder. He likes to make computers do science. He is also the author of the SpiceyPy Python library. Mastodon

Interests

Geospatial Software Development
Remote Sensing
Deep Learning
Mars
Enceladus
Mission Concept Development
ISRU

Education

Ph.D. in Earth and Planetary Sciences, 2022
Johns Hopkins University
MA in Earth and Planetary Sciences, 2018
Johns Hopkins University
BSc in Environmental Sciences, 2014
The University of Virginia

Projects

Click each to read more!

PSSS 2020

JPL Planetary Science School 2020

JPL Press Article New Yorker Article LPSC 2021 Abstract AAS PSJ Paper

OpenSource

Other open source work

SpiceyPy

A Pythonic Wrapper for the SPICE Toolkit

PDF Code Slides Video

FDL 2019

Frontier Development Lab AI Researcher: Flood prediction

PDF Video

Python Hapke Model

Numba implementation of 2012 Hapke Photometric Model

CRISM Hyperspectral Mapping

HSP mapping products advising

Deep Layer Mapper

UNet to map Mars

PDF Slides

Regional Stratigraphy of Arabia Terra

Ph.D. Dissertation at JHU

CIRS

NASA GSFC Summer 2013 Internship

PDF

Enceladus

Undergraduate Research (2011-2014)

Publications

Mineralogy, morphology, and emplacement history of the Maaz formation on the Jezero crater floor from orbital and rover observations

The first samples collected by the Perseverance rover on the Mars 2020 mission were from the Maaz formation, a lava plain that covers …

Horgan, B., Udry, A., Rice, M., Alwmark, S., Amundsen, H. E. F., Bell, J. F. III, Crumpler, L., Garczynski, B., Johnson, J., Kinch, K., Mandon, L., Merusi, M., Million, C., Núñez, J. I., Russell, P., Simon, J. I., St. Clair, M., Stack, K. M., Vaughan, A., Wogsland, B., admin., Bechtold, A., Berger, T., Beyssac, O., Brown, A., Cloutis, E., Cohen, B. A., Fagents, S., Kah, L., Farley, K., Flannery, D., Gupta, S., Hamran, S., Liu, Y., Paar, G., Quantin‐Nataf, C., Randazzo, N., Ravanis, E., Sholes, S., Shuster, D., Sun, V., Tate, C., Tosca, N., Wadhwa, M., Wiens, R. C.

PDF DOI

Bedding scale correlation on Mars in western Arabia Terra

Abstract Layered rocks in the Arabia Terra region of Mars preserve a record of the planet’s ancient climate. However, the exact …

Andrew M. Annex, Lewis, K.W., Koeppel, A.H.D., Edwards, C.S.

PDF DOI

The Complex Exhumation History of Jezero Crater Floor Unit and its implication for Mars Sample return

During the first year of NASA’s Mars 2020 mission, Perseverance rover has investigated the dark crater floor unit of Jezero crater and …

Quantin-Nataf, C., Alwmark, S., Calef, F.J., Lasue, J., Kinch, K., Stack, K.M., Sun, V., Williams, N.R., Dehouck, E., Mandon, L., Mangold, N., Beyssac, O., Clave, E., Walter, S.H.G., Simon, J.I., admin., Horgan, B., Rice Jr., James W., Shuster, D., Cohen, B., Kah, L., Sholes, Steven, Weiss, B.P.

PDF DOI

Three-dimensional data preparation and immersive mission-spanning visualization and analysis of Mars 2020 Mastcam-Z stereo image sequences

The Mars 2020 Mastcam-Z stereo camera investigation enables the generation of three dimension (3D) data products needed to visualize …

Paar, G., Orter, T., Tate, C., Deen, R. G., Abercrombie, P., Vona, M., Proton, J., Bechtold, A., Calef, F., Barnes, R., Koeberl, C., Herkenhoff, K., Hausrath, E. M., Traxler, C., Caballo, P., Andrew M. Annex, Gupta, S., Bell III, J. F., Maki, J.

PDF DOI

Spectral variability of rocks and soils on the Jezero crater floor: A summary of multispectral observations from Perseverance’s Mastcam-Z instrument

NASA’s Mars-2020 Perseverance rover spent its first year in Jezero crater studying the mafic lava flows of the Máaz formation and the …

Rice, M., Johnson, J., Million, C., St. Clair, M., Horgan, B., Vaughan, A. F., Núñez, J., Garczynski, B., Curtis, S., Kinch, K., Merusi, M., Hayes, A., Bell III, J. F., Duflot, L., Lapo, K., Evans, A. A., Eng, A., Cloutis, E., Brown, A. J., Andrew M. Annex

PDF DOI

See all publications

Experience

Postdoctoral Research Associate

California Institute of Technology

Feb 2022 – Present Pasadena California

Mars 2020 Rover Science Team Collaborator, Mastcam-Z Postdoctoral Collaborator. Tactical Science Payload Uplink Lead (sPUL) for geology and multispectral targeting for Mastcam-Z.

Attitude Control Student

NASA Jet Propulsion Laboratory

May 2020 – Jul 2020 Remote

Attitude Control Student for JPL Planetary Science Summer School. See PSSS Project page above for more information.

Researcher

NASA Frontier Development Lab

Jun 2019 – Aug 2019 Mountain View California

Disaster Prevention, Progress and Response (Floods), AI and domain science. Summer internship.

Ph.D.

Johns Hopkins University

Sep 2016 – Jan 2022 Baltimore Maryland

Planetary Science Ph.D. candidate studying sedimentary deposits on Mars using high resolution remote sensing and topography data.

Software Engineer

CCRi

Jun 2014 – Aug 2016 Virginia

Software Developer on GeoMesa

NASA Summer Intern

NASA Goddard Space Flight Center

Jun 2013 – Aug 2013 Maryland

Produced coverage reports and Maps of Titan by the Cassini CIRS instrument for end of mission science planning.

Undergraduate

The University of Virginia

Aug 2010 – May 2014 Charlottesville Virginia

Environmental Sciences B.Sc.

Andrew M. Annex

Postdoctoral Research Associate

Biography

Interests

Education

Projects

Recent Posts

Publications

Experience

Postdoctoral Research Associate

Attitude Control Student

Researcher

Ph.D.

Software Engineer

CCRi

NASA Summer Intern

NASA Goddard Space Flight Center

Undergraduate

The University of Virginia

Contact