Group J Luminous Objects

this is the group j luminous objects

some people ask What objects in space are luminous and which our non luminous?
well we are going to answer this question

This all depends on what you mean by luminous. As a person who did physics I think of anything that gives of energy or photons instead of reflecting them. For example the moon is really non luminous where the sun and pulsars are luminous. I also want to throw this in as well. Black holes are luminous or at least near the event horizon. They can be detect (maybe not by human sight) by something called Hawking radiation

stars are also luminous


so is the sun

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