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Search: Posts made by: William Elliot[_4_]
Forum: Policy June 11th 21, 03:26 AM Posted to free.it.scienza.fisica,sci.space.policy
Replies: 2
Views: 793
"Futurist spaceflight meditations"

On Thu, 10 Jun 2021, Doctor Who wrote:
From: Giulio Prisco

My new book "Futurist spaceflight meditations" is available for
readers to buy on Amazon (Kindle | paperback).
...
Forum: Policy February 4th 21, 03:19 PM Posted to sci.space.policy
Replies: 9
Views: 558
New Plasma Propulsion System Generates A Helluva Lot of Thrust

On Wed, 3 Feb 2021, Alain Fournier wrote:

My understanding is that the exhaust is not radioactive at all. I
don't think it is a nuclear propulsion system. They just accelerate a
plasma the way...
Forum: Policy February 3rd 21, 10:25 AM Posted to sci.space.policy
Replies: 9
Views: 558
New Plasma Propulsion System Generates A Helluva Lot of Thrust

On Tue, 2 Feb 2021, wrote:

How radioactive is the exhaust?

The next big thing in space propulsion?:

"Our solar system just became a little bit smaller due to a new
...
Forum: Policy January 20th 21, 05:01 AM Posted to sci.space.policy
Replies: 4
Views: 508
What is the point of going to Mars or the Moon?

On Mon, 18 Jan 2021, Dave wrote:

What is the point of going to Mars or the Moon, besides having a look
around? One reason I could think of was for archival purposes, in
case some thing bad...
Forum: Policy October 25th 20, 11:48 AM Posted to sci.space.policy
Replies: 6
Views: 719
Will NASA Use Nuclear Propulsion For Faster Crewed MissionTransport?

On Sat, 24 Oct 2020, wrote:

Are nuclear rockets the future of space travel? Or will the anti-nuke crowd win
out?

To they thinkk that they can launch a nuclear rocket...
Forum: Policy February 10th 20, 07:55 AM Posted to sci.space.policy
Replies: 29
Views: 1,432
we need more than a single planet

On Sun, 9 Feb 2020, wrote:
On Sunday, February 9, 2020 at 1:22:46 PM UTC-8, JF Mezei wrote:

We just need more population decline:

Earth - a planet in dire need of a...
Forum: Policy February 10th 20, 07:51 AM Posted to sci.space.policy
Replies: 29
Views: 1,432
we need more than a single planet

On Sun, 9 Feb 2020, Alain Fournier wrote:
On Feb/9/2020 at 07:18, wrote :
www.asps.it/prooooot.htm

Adding one, or more, habitable planets just delays the problem....
Forum: Policy February 3rd 20, 04:49 AM Posted to sci.space.policy
Replies: 1
Views: 569
The comic tragedy of rocketry

On Sun, 2 Feb 2020, wrote:

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...
Forum: Policy December 15th 19, 05:02 PM Posted to sci.space.policy
Replies: 8
Views: 850
Rocket Fuel

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 waste of incomplete combustion and get...
Forum: Policy September 18th 19, 05:46 AM Posted to sci.space.policy
Replies: 8
Views: 1,198
Meet The Nuclear-Powered Self-Driving Drone NASA Is Sending ToA Moon Of Saturn

Which moon? Titan?

Which is not to say that the idea of a nuclear-powered drone flying around a moon
of Saturn doesn't sound kind of crazy."

Then after it's life, it crash lands on the...
Forum: Policy August 2nd 19, 11:05 AM Posted to sci.space.policy
Replies: 7
Views: 997
CO In Your Coffee? : Weird Space Hazards - Vol. 1

On Thu, 1 Aug 2019, wrote:

Should have googled before I replied:

https://en.wikipedia.org/wiki/ISSpresso

An Esspresso machine is aboard ISS. That will make life...
Forum: Policy August 1st 19, 06:10 AM Posted to sci.space.policy
Replies: 7
Views: 997
CO In Your Coffee? : Weird Space Hazards - Vol. 1

On Tue, 30 Jul 2019, JF Mezei wrote:
"Carbon Monoxide Release from Whole Bean Roasted Coffee in Storage"

Would the station have whole beans that are grinded in the ISS or
would the ISS...
Forum: Policy July 26th 19, 07:27 AM Posted to sci.space.policy
Replies: 42
Views: 2,965
Artemis 3 Mission in 2024

Anyone want to predict whether this will actually happen in 2024?
It would be interesting for sure.

It won't happen until China has a man on the moon.

Artemis 3 (previously the Exploration...
Forum: Policy July 25th 19, 07:28 AM Posted to sci.space.policy
Replies: 42
Views: 2,965
Artemis 3 Mission in 2024

On Wed, 24 Jul 2019, Scott Kozel wrote:

Anyone want to predict whether this will actually happen in 2024?
It would be interesting for sure.

Artemis 3 (previously the Exploration Mission-3...
Forum: Policy May 27th 19, 08:28 AM Posted to sci.space.policy
Replies: 32
Views: 3,710
Two Starships in "bolas" rotation

On Sun, 26 May 2019, Fred J. McCall wrote:
Jeff Findley wrote on Sun, 26 May 2019
And keep in mind the lifetime of these satellites is relatively
short (from...
Forum: Policy April 3rd 19, 07:01 AM Posted to sci.space.policy
Replies: 1
Views: 1,393
Inda's ASAT test poses threat to ISS

On Wed, 3 Apr 2019, Rocket Man wrote:

https://arstechnica.com/tech-policy/2019/04/india-asat-test-debris-poses-danger-to-international-space-station-nasa-says/

IMHO there should be a treaty...
Forum: Policy March 22nd 19, 08:02 AM Posted to sci.space.policy
Replies: 8
Views: 1,332
SpaceX Destroys Tooling

On Thu, 21 Mar 2019, Fred J. McCall wrote:

I've seen from several sources that SpaceX has apparently junked all
their fabrication tools for composite structures (at a cost of tens of
millions...
Forum: Policy February 14th 19, 06:00 AM Posted to sci.space.policy
Replies: 3
Views: 1,055
R.I.P. Mars Opportunity rover

On Wed, 13 Feb 2019, Alain Fournier wrote:

NASA has declared the Mars Opportunity rover dead. It was last heard
from on June 10, 2018 so this isn't a surprise. And it has had a long
life with...
Forum: Policy January 14th 19, 05:55 AM Posted to sci.space.policy
Replies: 19
Views: 1,965
The US government shutdown is almost certainly delaying SpaceX'scrucial launch - MIT Technology Review

On Sun, 13 Jan 2019, Fred J. McCall wrote:

https://www.technologyreview.com/the-download/612745/the-us-government-shutdown-is-almost-certainly-delaying-spacexs-crucial-launch/

Because...
Forum: Policy January 13th 19, 05:55 AM Posted to sci.space.policy
Replies: 19
Views: 1,965
The US government shutdown is almost certainly delaying SpaceX'scrucial launch - MIT Technology Review

https://www.technologyreview.com/the-download/612745/the-us-government-shutdown-is-almost-certainly-delaying-spacexs-crucial-launch/
Forum: Policy December 5th 18, 07:10 AM Posted to sci.space.policy
Replies: 8
Views: 1,206
Change of Newton second law of motion

On Tue, 4 Dec 2018, wrote:

First Pendulum structure PNN (Propulsione Non Newtoniana) test http://www.asps.it/edcc2.mpg

And then test PNN (propellantless propulsion) ...
Forum: Policy October 18th 18, 05:03 AM Posted to sci.space.policy
Replies: 3
Views: 762
China to launch artificial 'moon' into orbit to light up city

On Wed, 17 Oct 2018, Scott M. Kozel wrote:
On Wednesday, October 17, 2018 at 10:30:57 PM UTC-4, wrote:

"China is to launch a fake "moon" into space that it hopes will...
Forum: Policy October 15th 18, 07:46 AM Posted to sci.space.policy
Replies: 51
Views: 2,368
Soyuz Rocket Launch Failure Forces Emergency Landing of Soyuz!

On Mon, 15 Oct 2018, David Spain wrote:

BTW. ASAP == Aerospace Safety Advisory Panel - talk about acronym
abuse.

In that context does ASAP mean "as slow as possible"?
Forum: Policy October 15th 18, 07:40 AM Posted to sci.space.policy
Replies: 51
Views: 2,368
Soyuz Rocket Launch Failure Forces Emergency Landing of Soyuz!

On Sun, 14 Oct 2018, Jeff Findley wrote:
says...

For years the US been dependent upon Russia for ISS access.
That's how reliable US is.

Yes we have because the US...
Forum: Policy October 14th 18, 07:23 AM Posted to sci.space.policy
Replies: 51
Views: 2,368
Soyuz Rocket Launch Failure Forces Emergency Landing of Soyuz!

Let's not sugar coat this. Russia has had a **** poor reliability
record over the life of ISS. Three Progress resupply vessels never
made it to ISS and the latest one of those was yet...
Showing results 1 to 25 of 78

 
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