by Roger Balettie | Aug 13, 2013 | NASA, Space
Orbital Velocity… and great analogies One of my favorite web-comics, xkcd, did an excellent piece titled “Orbital Speed”, in which they answered a few readers’ questions: t What if a spacecraft slowed down on re-entry to just a few miles per...
by Roger Balettie | Aug 4, 2013 | NASA
The Free Frontier What, exactly, is the “Free Frontier”? Conservative commentator Bill Whittle has always been a favorite of mine. He put out a great commentary video a couple of years ago on the state of the US Space Program. Unlike some of his other...
by Roger Balettie | Aug 3, 2013 | NASA, Space
One-Way Astronaut A friend of mine recently posted this YouTube video on my Facebook page: Their site (One Way Astronaut) promotes “an independent documentary surrounding people who have signed up to leave Earth to be the first human settlers on the planet...
Recent Comments