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Re:Inventory of CO2 available for terraforming Mars by GW150914 on Monday July 30, 2018 @02:58PM (#17646994)
Amen to that. A launch loop or EM launch system on the Moon combined with ore processing and a robotic assembly/launch/retrieval system for asteroid mining could change the world in ways that firing some doomed saps at Mars never will. With all of those raw materials we’d have a real hope of spreading out in ways which can help to preserve Earth, rather than abandon it like a virus shedding from a cell.
Re:Inventory of CO2 available for terraforming Mars by andrew_ on Monday July 30, 2018 @05:45PM (#17648369)
> firing some doomed saps at Mars

made me giggle incessantly. well done.

Re:Inventory of CO2 available for terraforming Mars by v_lisivka on Monday July 30, 2018 @06:00PM (#17648509)
One small problem: Moon is the gigantic EM recorder. It recorded every EM wave from Earth. Most of them are just lighting strikes, but some of them are interesting, radio transmissions, for example. They are very weak, but antenna is huge. We may be able to restore these recordings in (far) future, so we should preserve at least 1/4 of visible Moon for future archaeology.
Re:Inventory of CO2 available for terraforming Mars by aiyodev on Monday July 30, 2018 @07:19PM (#17649097)
I haven’t heard this before. Where can I read more about it?
Re:Inventory of CO2 available for terraforming Mars by v_lisivka on Tuesday July 31, 2018 @04:36AM (#17651520)
I haven’t heard this before too, but Moon constantly bombarded with charged particles, and charged particles are affected by EM waves, including signal from Earth, so EM signal from Earth (and other sources) leaves trail in Moon dust. Extremely weak signal, of course, but Moon surface is huge. Moon covers 0.2 deg^2 of the sky: not bad.

Also, few tons of dust is regularly drops on Moon, so it dust layer thickness increases with time, thus old recordings are affected less by radiation.

Technology to recover these recording is not invented yet, but if we will have trails of every high energy particle in the Moon dust and powerful enough computer, we will be able to recover them.