How long does it take light to traverse our solar system?
It really depends on where you define the end of the solar system to be. Beyond the 8 planets is the Kuyper belt, which contains Pluto-like objects, and beyond that is the Oort cloud, which contains icy, comet-like objects. The solar system just peters out after a while; there's no distinct boundary between the solar system and interstellar space.
It takes light about 6 hours to travel from the sun to Neptune, which is the outermost planet. If you consider that to be the edge of the solar system, then it takes 12 hours for light to cross it. If you still consider Pluto's orbit to be the boundary, it's 16 hours. If you take in the Oort cloud, it takes a few days.
30watt panel to run 2 tube lights and a fan, what's battery requirement?
i started my project first by buying this grid from Ebay...
Now guys, i need your help in setup of the system, as in our area there are no profesional solar energy companies.
I am from Oman (Middle East) and we get around 12 hours of bright sun. it rains about 10 days a year in this country so i am not worried about any clouds or anything, its majorly sunny here, maybe 30 days of cloud in a year we get.
So first thing first
- Is this the right Panel i purchased for a small project (only lights and fans)
- Correct me if i am wrong but things i need to buy now are:
- Batteries (i need your help in what type batteries and what volt and watt)
- Current inverters (again, type and stuff)
- Current regulators (same again, type and things as such)
And help from you about, HOW DO I ANGLE THE PANELS and DO I NEED TO MAKE A FRAME OR I LAY THEM FLAT ON THE ROOF???
PLEASE PLEASE PLEASE HELP...
The twelve hours of sunlight is coming at various angles. You have to count it as only about seven hours full light. For two tubes and one fan you need about 150 watts energy. This means that at an achievable 70% conversion a 30 watt panel can run all three for just about one hour only for a full day's sun.
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