12/3/2018 Astronomy 101 The Solar System Tuesday, Thursday 2:30-3:45 pm Hasbrouck 20 Tom Burbine tomburbine@astro.umass.edu

Course Course Website: Textbook: 12/3/2018 Course Course Website: http://blogs.umass.edu/astron101-tburbine/ Textbook: Pathways to Astronomy (2nd Edition) by Stephen Schneider and Thomas Arny. You also will need a calculator.

Office Hours Mine Tuesday, Thursday - 1:15-2:15pm 12/3/2018 Office Hours Mine Tuesday, Thursday - 1:15-2:15pm Lederle Graduate Research Tower C 632 Neil Tuesday, Thursday - 11 am-noon Lederle Graduate Research Tower B 619-O

Homework We will use Spark https://spark.oit.umass.edu/webct/logonDisplay.dowebct Homework will be due approximately twice a week

Astronomy Information Astronomy Help Desk Mon-Thurs 7-9pm Hasbrouck 205 The Observatory should be open on clear Thursdays Students should check the observatory website at: http://www.astro.umass.edu/~orchardhill for updated information There's a map to the observatory on the website.

Final Monday - 12/14 4:00 pm Hasbrouck 20

HW #16 and #17 Due today

HW #18 and #19 Due Tuesday

12/3/2018 Face on Mars

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http://www.guidescope.net/solarsys/mars_map2.jpg

Viking Missions Missions to Mars that landed in 1976 to look for Life 12/3/2018 Viking Missions Missions to Mars that landed in 1976 to look for Life Viking 1 - July 20, 1976 Viking 2 - September 3, 1976

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Red Color 12/3/2018 The red color of the planet comes from the oxidation of iron minerals in the soil. Fe2+ is becoming Fe3+ Iron is shiny When it loses two electrons by encountering oxygen, it becomes black or green When it loses three electrons by encountering oxygen, it becomes red Rusting

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Experiments There were results that were initially positive 12/3/2018 Experiments There were results that were initially positive But results could all be explained through non-biologic chemistry

HW #18 and #19 http://www.pbs.org/wgbh/nova/mars/program.html 12/3/2018 HW #18 and #19 http://www.pbs.org/wgbh/nova/mars/program.html http://www.hulu.com/watch/23352/nova-welcome-to-mars

Any Questions?