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Traveller Is 45 Years Old Today!
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<blockquote data-quote="Yora" data-source="post: 8723877" data-attributes="member: 6670763"><p>I think the big issue is that you are either a radiation reflector or a radiation absorber. The later case makes you heat up and become an infrared emitter.</p><p></p><p>The best way I see to have a target not detect you is to spot them first and then somehow get into a position to approach with either the sun or a planet's day side in your back. You still emit heat, but that probably will get washed out by all the sunlight around you. But no clue how practical that might be because of the <em>really</em> wide arcs you might have to fly to get into position while stying at a safe distance.</p><p>It's probably most practical if you want to approach a location on a planet, as you can get into position while that location faces away from the sun and time your arrival time to be just when the sun is overhead of your destination.</p><p></p><p>Another thing is that all stars emit infrared light as well. The stars are of course much further away than another ship, but they also emit <em>much</em> more radiation. I'm actually curious at what distance the infrared from a ship becomes noticably brighter than the infrared from background stars. Unless the infrared scanners track the movement of every signature of all the stars, there should be a distance at which a ship is indistinguishable from a star in infrared. If that distance is close enough to be in any way useful is a different question.</p></blockquote><p></p>
[QUOTE="Yora, post: 8723877, member: 6670763"] I think the big issue is that you are either a radiation reflector or a radiation absorber. The later case makes you heat up and become an infrared emitter. The best way I see to have a target not detect you is to spot them first and then somehow get into a position to approach with either the sun or a planet's day side in your back. You still emit heat, but that probably will get washed out by all the sunlight around you. But no clue how practical that might be because of the [I]really[/I] wide arcs you might have to fly to get into position while stying at a safe distance. It's probably most practical if you want to approach a location on a planet, as you can get into position while that location faces away from the sun and time your arrival time to be just when the sun is overhead of your destination. Another thing is that all stars emit infrared light as well. The stars are of course much further away than another ship, but they also emit [I]much[/I] more radiation. I'm actually curious at what distance the infrared from a ship becomes noticably brighter than the infrared from background stars. Unless the infrared scanners track the movement of every signature of all the stars, there should be a distance at which a ship is indistinguishable from a star in infrared. If that distance is close enough to be in any way useful is a different question. [/QUOTE]
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