Guest: Janice Dunn. Topics: California Space Center and the California Space Authority (CSA). Janice Dunn of CSA returned for this program with new information on the California Space Center as well as other information pertaining to the California space workforce and upcoming programming for CSA. For more information, please visit the CSA website at www.californiaspaceauthority.org. In our first segment, Janice described the California Space Center project.

Guests: CLASSROOM: Dr. Jim Logan, Dr. John Jurist. Topics: Lesson 7, Human Factors Part 1. This program was Lesson 7 and the first part of a two part series on human factors for space travel. Please visit The Space Show Classroom blog for presentation material (its copyrighted) and post all comments and questions for the guests on the blog at http://spaceshowclassroom.wordpress.com. In the first segment of the program, our guests summarized the major human factors and medical issues for suborbital and very short term spaceflight. As Dr.

Guest: Professor Dr. Frans von der Dunk. Topics: International and transatlantic space governance. Professor Dr. Frans G. von der Dunk of the Space and Telecom Law Center of the University of Nebraska Law School in Lincoln, NE was our guest for today. Please visit their website to find out more about their program, http://spaceandtelecomlaw.unl.edu/home. In our first segment, Dr. von der Dunk told us about the recent conference, Space Security and Space Tourism: Challenges to, and Transatlantic Perspectives on Governance.

Guest: Kevin Sloan. Topic: Mars Society University Rover Challenge 2010 June 3-5, 2010. Kevin Sloan returned to tell us about 2010 Mars Society University Rover Challenge (URC). To learn more about it, visit their website at www.marssociety.org/portal/c/urc. Sign up for their newsletter and URC updates at www.marssociety.org/portal/author/kfsloan.

Guest: Gary Hudson. Topics: Obama space policy and FY 2011 budget. Gary Hudson was our guest today to speak about the Administration's space policy program and the Fiscal Year 2011 space budget recommendations. In our first segment, Gary defined heavy lift in the context of history. For example, early in the space days in the 1960's, heavy lift was thought to be a million pounds to orbit. Today we talk about 50 to 200 tons to orbit. During this segment we also talked about a Mars mission and commercial launchers and their readiness to transport humans to LEO.

Guest: Dr. Madhu Thangavelu. Topics: USC Astronautics, class team projects for the ISS, Obama space policy, X37B and NEO deterrence. During our first segment, Dr. Thangavelu started our discussion by talking about the reorganization of the USD Division of Astronautical Engineering. To learn more, please visit http://astronautics.usc.edu. He then described his most recent team project class, the Concept Synthesis Studio.

Guest: Dr. Erik Seedhouse. Topics: Astronaut training process, human spaceflight. Dr. Erik Seedhouse returned to discuss with his book, "Prepare For Launch: The Astronaut Training Process." This book is available through the One Giant Leap Foundation (OGLF) Amazon partners page and if you buy it through this URL, Amazon contributes to The Space Show/OGLF: www.amazon.com/dp/1441913491?tag=onegialeafou-20. In our first segment, Dr.

Guest: Open Lines with Dr. David Livingston. Topics: nuclear rocket propulsion, VASIMR, space policy, ISS, Constellation, Ares 1. This Open Lines program was a two hour discussion with many listener phone calls and email/chat questions. As with all open lines shows, they have a mind of their own and go off in a direction that you the listeners want. An Open Lines program is a listener driven content oriented program so here is what we talked about this time. During the first segment, I led with a discussion of the copyright issues for The Space Show.

Guests: Tom Olson, Robert Jacobson. Topics: Space Investment Summit #8, commercial space investments. Our guests joined us for this program to talk about the upcoming 8th Space Investment Summit Conference to be held on Wednesday, May 26, 2010 from 8:30AM-6:30PM at the InterContiental Chicago Hotel O'Hare Airport in Chicago. For more information, please visit http://spaceinvestmentsummit.com.

Guest: Dallas Bienhoff. Topics On orbit fuel/propellant depots. Dallas Bienhoff was the guest for this Space Show program to discuss orbital fuel/propellant depots. In our first segment, Dallas started out by describing the concept behind the orbital propellant depot which he said was similar in concept to a gas station for cars except it was in orbit. Dallas suggested that by using depots we could increase payload capabilities between 2-3 times were we refueling in LEO today. He also summarized the history of depots which goes back to the early days of the space age.