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| Topic | Should Pluto regain its planetary status? |
| adjl 03/06/25 9:20:30 AM #49: | Revelation34 posted... There's a major difference between demoting something from a planet to an asteroid and demoting something from a planet to dwarf planet. And that difference is about 150 years of refining our understanding of astronomy. At the time that Ceres was considered a planet (~1801-1851), we didn't even have a concrete definition for "planet" and the term "asteroid" had only just been invented to describe the class of objects that people kept finding in Ceres' neighbourhood (now known to be the asteroid belt). A lot changed between the 1850's and 2006. --- This is my signature. It exists to keep people from skipping the last line of my posts. ... Copied to Clipboard! |
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