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Anyone know? It has been like that for months.
Originally posted by alienzombie666
reply to post by Xcalibur254
Why weren't the "vast amounts of astronomers" able to see or predict the Sundiver that just hit the sun the other day, us humans don't know # about space and time outside out Earths gravity field, it doesn't matter how awesome a mathematician or astronomer or speculator you are you couldn't possibly be able to factor in all the planets and gravity fields that could alter the course of any object moving through space
Originally posted by Xcalibur254
reply to post by kwell
And just as I suspected it's the same thing we've seen numerous times now. What is being discussed in that video is Tyche. Tyche is a hypothetical planet 25,000 AU away that is supposed to explain the orbits of long-period comets. If it exists it never gets closer than 25,000 AU. This was hypothesized by two of the originators of the Nemesis hypothesis. Nemesis was a hypothetical brown dwarf at least 50,000 AU away that was used to explain a periodicity in mass extinctions. This periodicity was found to not exist so the need for Nemesis vanished. So, far Tyche has not shown up in the WISE data and the vast majority of astronomers don't expect it to.
Originally posted by Semoro
Although opposing that view is this one; www.scientificamerican.com...
Which basically indicates a large brown dwarf will pass through the Oort cloud and send a few hundred comets into the inner solar system. Jupiter should play guard but hey, who knows? I mean the article was last year and it's the last we've heard of it.
Originally posted by ThePublicEnemyNo1
reply to post by kwell
Okay...okay, you had me going there for a minute (I wanted it to be true) but the CNN link is full of old articles, some dating back to 1995. I didn't see anything recent.
CNNedit on 10/7/11 by ThePublicEnemyNo1 because: (no reason given)
Originally posted by Xcalibur254
reply to post by kwell
And just as I suspected it's the same thing we've seen numerous times now. What is being discussed in that video is Tyche. Tyche is a hypothetical planet 25,000 AU away that is supposed to explain the orbits of long-period comets. If it exists it never gets closer than 25,000 AU. This was hypothesized by two of the originators of the Nemesis hypothesis. Nemesis was a hypothetical brown dwarf at least 50,000 AU away that was used to explain a periodicity in mass extinctions. This periodicity was found to not exist so the need for Nemesis vanished. So, far Tyche has not shown up in the WISE data and the vast majority of astronomers don't expect it to.