Originally posted by stereologist
reply to post by 2Unknown

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I believe that the idea that it is only visible in IR comes from the fact that brown dwarfs emit energy in the form of IR. These stars are not hot enough to glow in the optical part of the spectrum. This claim is promoted by hoaxers to trick people into their claim that death and destruction is upon us.

Jupiter is made up of materials very similar to a brown dwarf. It also emits IR. That doesn't mean it can't be seen.

And now then, eager young space cadet, here is the course we shall pursue to find Planet X. Starting from where we are, we go 33,600 turbo miles due up. Then west in an astro-arc deviation to here, then following the great circle seven radiolubes south by downeast. By astro-astroble to here, here, and here, then by space navigo-compass to here, here, and then to here and here. By thirteen point strato-cumulus bearing four million light-years, and thus to our destination. Now do you know how to reach Planet X? -- Duck Dodgers