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If it is a "sun" then it can only be used to see at night.

We can do that with regular lights.


The Sun is so much more. The photons of the different bands of the sun's radiation powers photosythesis, it powers my arrival in Africa every year (The Harmattan) it even determines, to a lesser degree, the tides of our seas and oceans.


So what if China can make a really big light.