# About the Mars Spectrometry category

**URL:** <https://community.drivendata.org/t/about-the-mars-spectrometry-category/7327>\
**Category:** Mars Spectrometry\
**Created:** [February 15, 2022, 6:21pm UTC](https://community.drivendata.org/t/about-the-mars-spectrometry-category/7327 "2022-02-15T18:21:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jayqi](https://yyz2.discourse-cdn.com/flex028/user_avatar/community.drivendata.org/jayqi/32/924_2.png) [@jayqi](https://community.drivendata.org/u/jayqi)\
**Post date:** [February 15, 2022, 6:21pm UTC](https://community.drivendata.org/t/about-the-mars-spectrometry-category/7327/1 "2022-02-15T18:21:47Z")

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This category is for posts about the [Mars Spectrometry 2: Gas Chromatography](https://www.drivendata.org/competitions/97/nasa-mars-gcms/) competition and the [Mars Spectrometry: Detect Evidence for Past Habitability](https://www.drivendata.org/competitions/93/nasa-mars-spectrometry/) competition. Please keep all posts here specific to these two competitions.

To start a new thread, click the [+ Create Topic] button and make sure that “Mars Spectrometry” category is selected in the dropdown meu.

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**Author:** ![jayqi](https://yyz2.discourse-cdn.com/flex028/user_avatar/community.drivendata.org/jayqi/32/924_2.png) [@jayqi](https://community.drivendata.org/u/jayqi)\
**Post date:** [February 22, 2022, 8:11pm UTC](https://community.drivendata.org/t/about-the-mars-spectrometry-category/7327/2 "2022-02-22T20:11:10Z")

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