The SpaceX plans for the first Mars trips involve two Starships making the trip at the same time. The SpaceX videos show a Starship flying alone, in a fixed...

On Thursday, October 3, 2019 at 6:49:33 AM UTC-7, David Spain wrote: Nozzle design helps to. It would appear to have sea level *and* vacuum optimized...

On Nov/15/2019 at 03:35, JF Mezei wrote : On 2019-11-14 19:54, Alain Fournier wrote: Steel has much lower conductivity than aluminium. So this isn't as...

In article , says... On 2019-11-21 10:44, Dean Markley wrote: It was a "max"...

In article , says... On 2019-11-19 07:18, Jeff Findley wrote: They're not going to...

As soon as possible a fundraising will be launched based on PNN (Propulsione Non Newtoniana) with the title : “ Permanent human outposts on the Moon and on...

Kerosene fuel for rockets is deliberately burned oxygen poor so the unburnt fuel will add mass to the rocket's exhaust to give it more thrust. To avoid the...

In article , says... Saw picture sof the Boeing Starliner mouted on rocket at pad ready...

https://www.kickstarter.com/projects/pnn/permanent-human-outposts-on-the-moon-and-on-mars?ref=project_build#

1) From the thread on NG free.it.scienza.fisica entitled The third principle of dynamics sometimes does not...

In article , says... On 2019-11-14 19:54, Alain Fournier wrote: Steel has much lower...

"Space is open for business, and some entrepreneurs plan to make the final frontier into a manufacturing hub. There’s plenty of real estate. But it takes a...

https://www.rt.com/usa/475636-trump-space-force-ndaa/ How to philosophically engage in space war? My suggestion is to openly do the most significant thing...

In article , says... On 2019-12-26 06:53, Jeff Findley wrote: Again, this is b.s. ...

As a holiday filler, Ars Technica reprinted their study of the Apollo MCC controller...

Patent granted for PNN (Non Newtonian Propulsion) in year 2000 http://www.asps.it/pat98.jpg from www.asps.it/pnndatabase.htm , www.asps.it/doni.htm

https://www.rt.com/usa/478570-space-force-uniform-mocked/ Somebody needs to update the sign of the times. A quasi-orbital troop transport needs...

Missiles and its fans have been comically saying year after year that they want to place permanent human outposts on the Moon and on Mars for more than 50...

I'm thinking you should rename this newsgroup from sci.space.policy to sci.space.jfmeziqanda If it weren't for Mr. Mezi's questions there wouldn't be any...

Currently the SpaceX Dragon 2 In Flight Abort Test is scheduled for this Saturday at 8:00 a.m. There is a four hour window for the test. The reason there...