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Originally posted by Helious
reply to post by MasterAndrew
It is reported that the incoming body is a brown dwarf, we have had telescopes for a long time yet they were only discovered in the mid 90s, they are very hard to see.
In order to see one using a telescope, you would need too usually cool that telescope to absolute zero in order to pick up a heat signature as brown dwarfs are very cold. We had a satellite capable of this but it was recently shut down, how convenient!
Originally posted by Chadwickus
reply to post by MasterAndrew
How can this be answered when/if it isn't visible yet?
Originally posted by Chadwickus
reply to post by Signals
Or, it could be an iron rich body sluffing off iron oxide (rust) in our Solar System...
Rust? In space?
A gravitational lens refers to a distribution of matter (such as a cluster of galaxies) between a distant source (a background galaxy) and an observer, that is capable of bending (lensing) the light from the source, as it travels towards the observer
Originally posted by Chadwickus
reply to post by Helious
Sorry?
Why not go read the thread I linked to, may help answer your question.
Originally posted by Chadwickus
reply to post by Signals
And if a brown dwarf is close enough to reflect sun light it will be visible.
It's not hard to understand.
Originally posted by Chadwickus
reply to post by Helious
Brown dwarfs still reflect light, so if one is close (inside the solar system) it would be visible, after all, Jupiter a giant ball of gas (like a brown dwarf) is visible isn't it?