Category Archives: NASA

Random Thought: Simulating Mars Speed-of-Light Delays on ISS

[Note: I’m almost positive this isn’t a new idea, but I figured I would share it, just in case.] One of the many concerns with deep-space human spaceflight missions, is that all of NASA’s experience has been with missions close … Continue reading

Posted in Lunar Exploration and Development, NASA, NEOs, Space Exploration | 15 Comments

Top 10 Reasons Why Something ARM-like Is Worth Doing

[Up-front Disclaimer: My space startup is being paid under the Asteroid Redirect Mission BAA to do a study contract on one possible way to do the Option B mission. Even though we’re not dependent on follow-on work, I figured it … Continue reading

Posted in Commercial Crew, International Space Collaboration, ISRU, Lunar Exploration and Development, NASA, NEOs, Space Development, Space Exploration | 19 Comments

Random Thought: Dragon V2 as an xGRF Platform?

Review: How Much Gravity Do We Need, and Why Do We Care? One of my hobby horses that I’ve blogged about a few times is the question of how much gravity do humans need to be healthy? As I’ve pointed … Continue reading

Posted in Commercial Crew, Commercial Space, NASA, Space Development, Space Settlement, Space Tethers, SpaceX, Variable Gravity | 30 Comments

Penny for NASA (Centennial Challenges)

I remember the first time I was exposed to the fact that NASA gets less than 1% of the federal budget, and the suggestion that we could do so much more awesome stuff if NASA just got 1% of the … Continue reading

Posted in Commercial Space, NASA, Prizes, Space Policy | 16 Comments

A Modest Proposal: the COTS Approach to SLS/Orion

I came up with an interesting new idea based on the recent press conferences about the successful completion of NASA’s COTS program, Bigelow’s report on the study they did on commercial lunar development, and the SLS/Orion developers discussion of “Removing … Continue reading

Posted in Commercial Crew, COTS, Launch Vehicles, NASA, Politics, Space Exploration, Space Policy, Space Transportation, Technology | 22 Comments

YHABFT: RD-180 Sales Ban Rumor, A-Com, and FY11 Budget Request HLV Propulsion

The RD-180 Sales Ban Rumor As some of you probably saw on twitter last night, Russia Today ran a piece claiming that Russia was mulling a sales ban on the RD-180 rocket engine to the US (h/t Jeff Foust). For … Continue reading

Posted in NASA, Space Policy, Space Transportation, YHABFT | 14 Comments

Random Thoughts: SLS Dual-Use Upper Stage as a Super-ACES

Friends, Americans, Countrymen. Lend me your ears. I’ve come to provide constructive suggestions to SLS, not to bury it. A couple days ago, a friend asked me what I knew about the DUUS “Dual-Use Upper Stage” for SLS, and if … Continue reading

Posted in Launch Vehicles, NASA, Space Transportation | 9 Comments

Hobgoblins

I made the mistake of reading about a Senate Commerce “hearing” held today regarding NASA’s human spaceflight plans. While some of the points made I actually agree with, one of the witnesses (Steve Cook of Dynetics) made an argument that … Continue reading

Posted in NASA | 12 Comments

Random Thoughts: A Change of Heart in NEO Size of Interest?

I’ve been following the various twists and turns in NASA and private interest in NEOs for a few years, ever since the Flexible Path concept was suggested by the Augustine Committee. While I’ve always been of the opinion that the … Continue reading

Posted in NASA, NEOs | 9 Comments

Crew Safety Perspective

There’s been a lot of discussion over the past year or two on a few blogs (this one, Transterrestrial Musings, and also Wayne Hale’s blog, among several others) about the proper level of emphasis on crew safety for commercial crew … Continue reading

Posted in Commercial Crew, Commercial Space, COTS, NASA, Space Policy, Space Safety, Space Transportation | 28 Comments