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Can you rely on sunlight between star systems?
by StreamBright 7y ago
Can you rely on sunlight between star systems?
- abdullahkhalids 7y agoNo. In fact, the solar irradiance gets fairly low even by the time you reach Saturn, because the power propogates via an inverse square law. Near Earth, which is 1 Astronomical Unit (AU) away from the Sun, you get about 1000W/m^2. Around Saturn, which is about 10 AU away, irradiance will be down to 1000/10^2 = 10W/m^2. So 1% of what you get near Earth.