10^19 for Earth's air, not 1019.   :-D

Copy-paste modification, the reason an entire starship flotilla was
lost... ;-)

Alan

On 02/05/2023 12:44, Jeffrey Schwartz - schwartz.jeffrey at gmail.com
(via tml list) wrote:
> Earth's air has a density of approximately 1019 molecules per cubic
> centimeter; by contrast the densest nebulae can have densities of
> 10,000 molecules per cubic centimeter. --
> https://en.wikipedia.org/wiki/Nebula
>
> So, figure that skimming kinda needs at least Earth's atmo pressure to
> get the "hours" numbers we're expecting
> That would imply about 10^15th longer.  That comes out to about 1.1 x
> 10^11 years. Considering the universe is about 1.3 x 10^10 years
> old... that would be awkward.
>
> On the other hand, you could move faster when nebula skimming than gas
> giant skimming, so that might trim down some time.
>
> On Mon, May 1, 2023 at 11:08 PM kaladorn at gmail.com (via tml list)
> <xxxxxx@simplelists.com> wrote:
>> I have a question:
>>
>> Is there any reasonable chance that if you jumped into an empty hext *that contained a dense Nebula*, that they could go into cold sleep, set the computer to drift through the Nebula until it has enough power to jump?
>>
>> I am guessing real Nebulas are more defuse than I think (just like SW crash-crunch-smash asteroids are not at all like real asteroid belts)... but it was worth asking.
>>
>> - kaladorn
>>
>> On Thu, Apr 27, 2023 at 6:57 PM Hubert Figui?re - hub at figuiere.net (via tml list) <xxxxxx@simplelists.com> wrote:
>>> On 2023-04-27 17:17, Christopher Sean Hilton - chris at vindaloo.com
>>> (via tml list) wrote:
>>>> Hi,
>>>>
>>>> I have a question about the mechanics of jump drive. Did I read somewhere that in a nominal
>>>> jump trip, you precipitate out of Jumpspace at the 100D limit of a target object in normal
>>>> space? If this is the case, how do you handle jump into empty hexes?
>>>>
>>> The way I always interpreted it is that the 100D was the *minimum* safe
>>> distance you could reemerge from jump space.
>>>
>>> If you reemerge in an empty hex, the bigger problem will be whether you
>>> have enough fuel. This is also part of the problem when you have a jump
>>> mishap and arrive in a place where there is no giant gas available.
>>>
>>> In GURPS Traveller Interstellar War, they describe how Terra reached
>>> neighbouring system with Jump-1: the established refueling stations,
>>> which just support this interpretation.
>>>
>>> Cheers,
>>>
>>> Hub
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