Ask An Astronaut: Mike Fossum

by Ray Sanders on January 6, 2012

NASA astronaut Mike Fossum onboard the International Space Station during Expedition 28. NASA's Robonaut is also visible in the background. Image credit: NASA TV

Following up on our successful “Ask Dr. Alan Stern” interview, we’re continuing our “Ask” series. This time, Universe Today readers will be able to Ask an Astronaut!

Here’s how it works: Readers can submit questions they would like Universe Today to ask the guest responder. Simply post your question in the comments section of this article. We’ll take the top five (or so) questions, as ranked by “likes” on the discussion posts. If you see a question you think is good, click the “like” button to give it a vote.

Keep in mind that final question acceptance is based on the discretion of Universe Today and in some cases, the responder and/or their employer.

This installment features International Space Station Expedition 29 commander, Mike Fossum.

Self-portrait of astronaut Mike Fossum taken on July 8, 2006. Image Credit: NASA / Mike Fossum

Fossum served as an Air Force test pilot until 1992, when he joined NASA. Officially selected for the Astronaut Corps in 1998, His first space flight was on July 4, 2006 as an STS-121 mission specialist.

According to NASA, Fossum completed 167 days in space as a member of the Expedition 28 and 29 crews during his third space flight. Altogether, Fossum has spent 194 days in space and performed seven spacewalks. He ranks seventh on the all-time list for cumulative spacewalking time.

Fossum and his crewmates, Expedition 29 Flight Engineers Sergei Volkov of the Russian Space Agency and Satoshi Furukawa of the Japan Aerospace Exploration Agency, returned to Earth in their Soyuz TMA-02M spacecraft at 8:26 p.m. on Nov. 21, 2011. Fossum was aboard the station during the final space shuttle mission, STS-135, which delivered supplies and equipment to the outpost. During most of his time aboard the ISS, Fossum performed science experiments and routine maintenance.

Before submitting your question, take a minute and read a bit more about Fossum at:

You can also read Fossum’s “Living The Dream” NASA blog at:

We’ll take questions until 6:00PM (MST) Monday, January 9th and provide a follow up article soon after with Fossum’s responses to your questions.


In addition to being a published astronomer specializing in variable stars, Ray Sanders has blogged for Universe Today, and The Planetary Society blog, among others. He runs his own blog, Dear Astronomer, teaches classes for CosmoQuest, and is a NASA/JPL Solar System Ambassador.

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