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What happens at 11,500 AUs out from the Sun?
"At a distance of approximately 11,500 astronomical units (0.18 light
years) going out into interstellar space, the Sun fades to a magnitude of -6.5. At around this point its light intensity will be equivalent to just 1/300th of a full moon shining down on Earth (based on an absolute magnitude of +4.75) which is exactly the same as my total cosmic sky illumination figure... Hence going outward from this point on, our Sun will no longer be the chief source of light and the light produced by the cosmic night sky will start to become the dominant source of illumination to any interstellar traveller." Mo http://uk.geocities.com/aa_spaceagen...erstellar.html AAI ================================================== == http://uk.geocities.com/aa_spaceagent/astronomy.html ================================================== == |
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