Quote:
Originally Posted by sts60
Sure anyone with a telescope would surely be able to spot such a large object in the sky right? Well what if it is a brown dwarf that is almost hidden in a fog of dust coming from behind the sun?
Nothing can stay hidden behind the Sun, because we keep moving around it.
Would such an object still be seen so easily?
A huge dust cloud would make it even easier to see. It would reflect light from the Sun, glow in the infrared, and obscure stars behind it.
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Just to add to that, a brown dwarf, in a dust cloud or not, that close to us, would be a very bright object in the infrared. Any of the large IR telescopes would have seen it long ago.