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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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Does comet ISON have a 333 year orbit?
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Poster Handle
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Dr. Astro |
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Post Content
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For now.
Quoting: • 18770744 Perhaps you missed the part where I integrated the orbit for 1 million years and it's STILL hyperbolic. Simple questions: How much energy is needed to change hyperbolic to parabolic in this case (do we know the ISON mass to calculate this)? Let's say in 1920s ISON traveled 4km/s so something as small as the Earth can change ISON direction 180degrees ( U-turn ) 113 AU from the Sun, do we know what is there. Do we know all energies possible (not only gravity) during close miss ISON-Sun to be sure what will happen. OK, I see, I highlighted with blue color REAL data FROM JPL, just to make you easier to imagine what can happen to "small" rock in 100 years, so 1 million years perspective is unknown as much as what happened 100 years ago 100 AU from the Sun. Be cool, use discernment, be Yourself.  So you're suggesting that it's going to free return around an impossibly large undiscovered planet at too close a distance to the sun ( [ link to arxiv.org] ) and magically return to the sun on the same path every 333 years? No that is not how things work in real life.
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