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Intro Astronomy 2013. Class 12: The Sun and Stars

Lecture 12 of Dr. Bruce Betts' 2013 online Introductory Planetary Science and Astronomy course covers the Sun (physical characteristics, zones, solar cycle, sunspots, flares, coronal mass ejections, fusion, etc.) and Stars and Stellar Evolution (star types and colors, evolution, HR Diagrams, birth and death phases, white dwarfs, neutron stars, black holes), as well as brief coverage of solar sails and Lagrange Points. Recorded at California State University Dominguez Hills. Note this lecture was previously recorded.

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Hangout on Air with Michael Puzio, Kid Who Named Asteroid Bennu

Guests

Meet the kid who named Bennu! Bennu will be the target of NASA's OSIRIS-REx sample return mission. The name was suggested by 9-year-old Michael Puzio in a contest that attracted more than 8000 entries.

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Write Congress to Stop the Cuts to Planetary Science in 2014

Guests

The proposed NASA budget for 2014 has bad news for Planetary Science. We need you to write to your representatives to stop the cuts--again.

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Planetary Society Hangout: 2014 NASA Budget Update and Planetary Defense Conference Recap

Guests

Our weekly hangouts continue with an update on the 2014 NASA Budget proposal, the 2013 Planetary Defense Conference, and Mars One

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Intro Astronomy 2013. Class 11: Exoplanets and Solar System Origin and Formation

Lecture 11 of Dr. Bruce Betts' 2013 online Introductory Planetary Science and Astronomy course covers Exoplanets (planets around other stars) including discovery techniques and current knowledge and characteristics, and multi-planet systems including a previously recorded interview with Kepler scientist Dr. Darin Ragozzine (Smithsonian Astrophysical Observatory). Lecture 11 also covers the origin and formation of the Solar System as well as a quick look at Kepler's 3rd law and planetary orbits. Recorded at California State University Dominguez Hills.

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2013 Planetary Defense Conference--Part 2: Meteorite Man Geoffrey Notkin

Guests

The 2013 PDC public event welcomes the co-star of the Science Channel's popular reality show to the Northern Arizona University stage.

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2013 Planetary Defense Conference--Part 4: Bill Nye the Science Guy!

Guests

The Planetary Society's CEO was a wildly popular speaker at the PDC public event on April 17, 2013. Here's his presentation to over 900 fans on the campus of Northern Arizona University in Flagstaff.

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2013 Planetary Defense Conference--Part 1: Intros and What's Up!

The first of five segments that capture our exciting evening at the Planetary Defense Conference.

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Intro Astronomy 2013. Class 10: Trans Neptunian Objects including Pluto, KBOs, Comets

Lecture 10 of Dr. Bruce Betts' 2013 online Introductory Planetary Science and Astronomy course covers Transneptunian Objects (TNOs) including the Pluto System, Eris, Kuiper Belt Objects, Comets, and the Oort Cloud, and also covers the solar wind, aurorae, and the heliosphere. Recorded at California State University Dominguez Hills.

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2013 Planetary Defense Conference--Part 5: Bill Nye Joins Inspiring Panel Discussion

Guests

  • Brent Barbee, Flight Dynamics Engineer, Goddard space Flight Center
  • Mat Kaplan
  • Amy Mainzer, NEOWISE Principal Investigator, Jet Propulsion Lab
  • Cathy Plesko, Applied Physics Research Scientist, Los Alamos National Laboratory
  • David Trilling, Assistant Professor of Physics and Astronomy, Northern Arizona University

Moderator Mat Kaplan of Planetary Radio leads a lively and inspiring conversation in the grand finale of the PDC public event. Four outstanding young leaders in the planetary defense community join Bill and Mat on stage.

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