HEADLINE: Space Survival Challenges, Commercial Rocket Progress, and Astrophysical Observations GUEST NAME: Bob Zimmerman SUMMARY: Bob Zimmerman reports on deep space survival issues (stem cell aging
HEADLINE: Space Survival Challenges, Commercial Rocket Progress, and Astrophysical Observations GUEST NAME: Bob Zimmerman SUMMARY: Bob Zimmerman reports on deep space survival issues (stem cell aging, artificial gravity), rocket updates (SpaceX, Firefly, Cygnus, Callisto delay), and probes (Lucy, Hayabusa 2), confirming wet periods on Mars.