We are hosting a second Q&A webinar for the Exploring Hell Challenge! This is your last chance to ask your questions live on a webinar.

On this webinar, you will hear a short presentation from Jonathan Sauder at JPL, followed by a question and answer period. If you have any questions for the webinar, please post them here. We'll be asking the questions with the most up votes, so please also vote up your favourite questions.

When: May 12 at 12:00 pm Eastern Time (New York)

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