This week our friend at <a href= "https://theorbitalmechanics.com/">The Orbital Mechanics</a> podcast joins us to talk about observing the Earth from space… or something like that. Earth observing spacecraft <ul> <li><a href= "https://en.wikipedia.org/wiki/Gravity_Recovery_and_Climate_Experiment"> GRACE</a></li> <li><a href= "https://www.nasa.gov/mission_pages/rbsp/mission/index.html">Van Allen Probes</a></li> <li><a href= "https://www.nasa.gov/content/goes-overview/index.html">GOES Network</a></li> <li><a href="https://pmm.nasa.gov/trmm">TRMM</a></li> <li><a href="https://terra.nasa.gov/">TERRA</a></li> <li><a href= "https://www.nesdis.noaa.gov/content/dscovr-deep-space-climate-observatory"> DSCOVR</a></li> <li><a href="https://en.wikipedia.org/wiki/Gravity_Probe_B">Gravity Probe B</a></li> <li><a href= "https://www.nasa.gov/content/earth-missions-list">Earth Missions List</a></li> </ul> Ben Etherington <ul> <li><a href= "https://www.twitter.com/orbitalpodcast">@orbitalpodcast</a></li> <li><a href= "https://www.twitter.com/benetherington">@benetherington</a></li> </ul> Fun Paper Friday <ul> <li>We know music is mathematical, but Donald Knuth takes it to the next level on this week’s fun paper friday!</li> <li><a href= "http://www.cs.bme.hu/~friedl/alg/knuth_song_complexity.pdf">Knuth, Donald E. “The complexity of songs.” Communications of the ACM 27.4 (1984): 344–346.</a></li> </ul> Contact us: Show - <a href= "https://www.patreon.com/dontpanicgeo">Support us on Patreon!</a> - <a href= "http://www.dontpanicgeocast.com">www.dontpanicgeocast.com</a> - <a href="https://softwareunderground.org">SWUNG Slack</a> - <a href="https://twitter.com/dontpanicgeo">@dontpanicgeo</a> - show@dontpanicgeocast.com John Leeman - <a href= "http://www.johnrleeman.com">www.johnrleeman.com</a> - <a href= "https://twitter.com/geo_leeman">@geo_leeman</a> Shannon Dulin - <a href= "https://twitter.com/ShannonDulin">@ShannonDulin</a>

Episode 173 - "Opportunity Knocked" Mars w/ Dr. Megan Elwood-Madden

John Leeman and Shannon Dulin discuss geoscience and technology weekly for your enjoyment! Features include guests, fun paper Friday selections, product reviews, and banter about recent developments. Shannon is a field geologist who tolerates technology and John is a self-proclaimed nerd that tolerates geologists.