Category Archives: NASA

An Updated Propellant Depot Taxonomy Part VI: Roving Depots

Posted on February 22, 2021 by Jonathan Goff

In the last post in this series, I discussed the idea of large-scale depots for human spaceflight applications, which operate in fixed, low-orbits. While the final post in this series will investigate human spaceflight depots that operate in fixed higher … Continue reading →

Posted in Commercial Space, ISRU, Launch Vehicles, Lunar Exploration and Development, Mars, NASA, NEOs, Orbital Dynamics, Propellant Depots, Space Development, Space Exploration, Space Transportation, ULA, Venus | 10 Comments

An Updated Propellant Depot Taxonomy

Posted on September 15, 2020 by Jonathan Goff

After way too many years in the wilderness, the concept of orbital propellant depots and in-space refueling in general, are finally beginning to be taken seriously again in public circles. A couple of examples include: Elon’s announcement that he is … Continue reading →

Posted in Commercial Space, ISRU, Lunar Commerce, Lunar Exploration and Development, Mars, NASA, Orbital Dynamics, Propellant Depots, Space Development, Space Exploration, Space Transportation, Venus | Leave a comment

SBIR Proposaling Advice

Posted on March 8, 2019 by Jonathan Goff

A few weeks back, I asked my followers on Twitter what topics they’d like to see me blog about. One of them suggested that since I do a lot of SBIR proposals at my day job, that maybe I could … Continue reading →

Posted in Altius Space Machines, Business, Entrepreneurship, NASA | 2 Comments

SpaceX Mars Plans: Jon’s First Take

Posted on September 28, 2016 by Jonathan Goff

I’ve had a lot of friends ping me today about my thoughts on Elon’s Mars talk today. I was in a meeting when it happened, and literally was pinged by half a dozen people during the meeting… Now that I’ve … Continue reading →

Posted in Commercial Space, ISRU, Launch Vehicles, Lunar Commerce, Mars, NASA, Propellant Depots, Space Development, Space Exploration, Space Settlement, Space Transportation, SpaceX, ULA, Venus | 60 Comments

Random Thoughts: ACES/EUS Public Private Partnership Idea

Posted on May 17, 2016 by Jonathan Goff

A few years ago, I did a “Random Thoughts” blog post about synergies between the proposed ACES stage and the proposed SLS upper stage. Now, I’m still not the world’s biggest SLS fan, and I’m still not a fan of … Continue reading →

Posted in Launch Vehicles, NASA, Random Thoughts, ULA | 10 Comments

ESIL-8 Elements of Lunar Commerce Presentation

Posted on April 7, 2016 by Jonathan Goff

I was invited to give a talk on lunar commerce at a Emerging Space Industry Leaders workshop last week hosted by ULA at their Centennial, Colorado campus, and put on by my friends at Advanced Space LLC and the FAA … Continue reading →

Posted in Altius Space Machines, Business, Commercial Space, ISRU, Launch Vehicles, Lunar Commerce, Lunar Exploration and Development, MHD Aerobraking and TPS, NASA, NEOs, Propellant Depots, Space Development, Space Settlement, Space Transportation, SpaceX, Technology, ULA, Variable Gravity | 36 Comments

Random Thought: NASA Externships as an Alternative to “Training-Wheels” Intramural R&D?

Posted on June 8, 2015 by Jonathan Goff

[Here’s one last draft I’ve found to polish off–this one only from a year ago. It’s a little bit of a touch subject–I’m not trying to denigrate what the NASA teams mentioned in this post were doing, just trying to … Continue reading →

Posted in NASA, Random Thoughts, Space Policy | 6 Comments

SLS, Shuttle, and The Danger of the “No Payloads” Argument

Posted on June 2, 2015 by Jonathan Goff

I’m not a particularly big fan of NASA’s SLS. Anyone paying attention with even a shred of self-honesty can tell that two of the primary reasons why Congress forced NASA to build SLS were to preserve and enlarge payrolls at … Continue reading →

Posted in NASA, Space Exploration, Space Policy | 16 Comments

Why the Moon?

Posted on May 29, 2015 by Jonathan Goff

In spite of my interest in the Asteroid Redirect Mission, I’m still a firm believer that the Moon has a major role to play in space settlement. While Mars and Venus (at the cloud level) may have atmospheres more conducive … Continue reading →

Posted in Commercial Space, International Space Collaboration, ISRU, Lunar Commerce, Lunar Exploration and Development, NASA, NEOs, Space Development, Space Exploration, Space Settlement, Space Transportation, Venus | 14 Comments

Light Reading Recommendations for House CJS Appropriators

Posted on May 16, 2015 by Jonathan Goff

Some tweeted comments from the recent House Commerce, Justice, and Science budget markup meeting gave me some ideas for light reading for our esteemed House Appropriators. Specifically, Jeff Foust (@jeff_foust) of SpaceNews tweeted that: CJS subcommittee chair Rep. Culberson: bill … Continue reading →

Posted in NASA, Politics, Snark | 3 Comments