Yuriy, I think you're misunderstanding me when I say "black body radiation". I'm not talking about gravity or black holes, but rather the...
I understand about the necessity of having a neutron star's jet aligned with the Earth for it to be recognized as a pulsar, but this isn't what I'm...
MacM, I was under the impression that it was also suggested as a consequence of applying the law of conservation of momentum to moving objects...
No, I'm not confusing black holes with neutron stars. I'm not talking about gravity, but about black body radiation from neutron stars. Yuriy,...
It's my understanding that electrons play a major role in the emission of light from hot black bodies. Could somebody elaborate or correct me...
I think the survival argument is perfectly valid if you consider of Mars as a first step towards the wider universe. The human species doesn't have...
Thanks Vslayer. In that case, how does it return to its normal colour when the temperature drops? I'd have thought that if an element sublimed it...
There's a terrific book that outlines the economic motivations for space travel (not Mars specifically). It's called 'Mining The Sky' and it's by...
Nasor: Just read your last post and I think you make a very good point with a good analogy. It's a logical and economically sound way of looking at...
It's quite a thing when you put it like that! Obviously you can't reasonably make predictions about future technologies which, necessarily, are...
How does thermochromic ink (both liquid crystals and leucodyes) work? I know that the ink becomes clear as temperature increases, but what's...
Fantastic! Good luck. Of course the first people on Mars will be astronauts by definition, but will there be much call for astrophysicists?
Great debate, both of you. Thanks for responding. Sorry. I did of course mean Mars DIRECT, not Mars Express. Whoops. Ophiolite, I wasn't...
No replies? I can't believe that nobody has an opinion on Mars Express! Come on... talk to me!
I'm a reasonable fan of Robert Zubrin's because - like millions of others - I share his desire to see humans reach Mars and beyond. The thing is,...
Starman, scientific study of dowsing HAS yielded conclusive results. You're completely correct about it being more a faith than a science.
Stryder, are you implying that human beings can detect a negative gravitational anomaly associated with a subsurface void (through which water may or...
Sorry to nit-pick instead of addressing the actual topic but... Are you sure that the Amazon Rainforest provides 70% of the world's oxygen? What...
Randolfo, if you accept that you are a life form, and that you occupy this universe, then presumably you also accept that the life - of which you are...
Boris2, that's a great help. Cheers.
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