Space/Science — HabitableZone

Space/Science » in reply to re: E-Mail To Mike Brown - It would be great to see a reply to the HZ.

re: E-Mail To Mike Brown - It would be great to see a reply to the HZ.

If I get one and he approves public posting I will certainly post it without any editing on my part.

I'm starting a new thread to focus on some of Brown's planet definition comments. I think he has done a lot of good thinking on this issue with the exception of a flawed acceptance of the "we can't have too many planets concept." He's actually made me enthusiasticaly favor a dwarf planet class although I was not opposed to it as a subcategory of planets. I just think they should still be counted as planets because the dividing line between dwarf planet and terrestrial planet would be less clear than between planetisimal (typical asteroid, comet,and/or kbo) and dwarf planet.

Regards,
Mark

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