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Space Travel

Featured Images

artist's concept of van allen radiation belts

Danger Zone April 24, 2023
Artist's concept of a Mars base

Hazardous Exploration October 29, 2020
collage of images of Alexei Leonov

Fallen Spacewalker October 13, 2019
lightsail 2 fully deployed

Sailing Along August 6, 2019
Images from Apollo 7

First Step October 11, 2018
Apollo 17 commander Eugene Cernan poses on the Moon in 1972

Last Walk January 16, 2017

Radio Programs

Van Allen Belts Earth’s ever changing radiation belts April 24, 2023

Roswell Incident II The reality of star trekking July 7, 2022

Dodging Bullets Dodging bullets in space March 11, 2022

Worldships A long, slow trip to the stars December 9, 2021

Ray Bradbury A pioneering Mars explorer August 22, 2020

Pulsar Navigation Navigating by dead stars February 13, 2020

More Canopus A bright star to steer by March 2, 2018

More Moon and Companions Stepping toward the stars December 14, 2017