![]() ![]() It is not that hard to do a full-scan of the sky. ![]() But as faint as it is, the Green Bank telescope can pick it out from the background noise in one second flat. Consider:Īs of 2013, the Voyager 1 space probe is about 18 billion kilometers away from Terra and its radio signal is a pathetic 20 watts (or about as dim as the light bulb in your refrigerator). It is very easy to detect something hot in space, and it is very hard to refrigerate (as you need to rely on radiation).The arguments for why it's so hard to hide in space are too numerous to list, but in a very condensed form, they go like this: They'll see you coming but they might not know exactly what it is. Other than that, it's generally agreed among hard-sf folks that in space warfare, everyone can see everything, although you can still perform a lot of tactical stealth, like jamming, "smoke"-screens and the like. Your spaceships are manned by exotic lifeforms that can tolerate near-absolute-zero temperatures, and hence your spaceship is as cold as space. ![]() Camouflage, or attempting to look like something else (a comet, or civilian ship), but of course this is highly situational.Therefore, to hide in space you'd have to be very creative, or do some bit of hand waving. The Rocketpunk Manifesto also has an essay on this subject which concludes pretty much the same thing. Project Rho's space war pages has a pretty thorough set of arguments on why stealth is, for practical purposes, impossible in space warfare*. ![]()
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