Pro@programming.dev to Lemmy Be Wholesome@lemmy.worldEnglish · 1 month agoBe like Pluto.programming.devimagemessage-square87fedilinkarrow-up1949
arrow-up1949imageBe like Pluto.programming.devPro@programming.dev to Lemmy Be Wholesome@lemmy.worldEnglish · 1 month agomessage-square87fedilink
minus-squarezqps@sh.itjust.workslinkfedilinkarrow-up9·1 month agoSo whatever hypothetical density constitutes an atmosphere becomes the arbitrary line in the sand.
minus-squaregandalf_der_12te@discuss.tchncs.delinkfedilinkarrow-up2·1 month agoWell, yeah. But even so, it’s still better than the current definition. Many “planets” have not, in fact, cleared their orbit.
minus-squareturmacar@lemmy.worldlinkfedilinkarrow-up10·1 month agoPlanet has never been very well delineated. The Sun was a “planet”. Ceres was a “planet”. When we find enough things to break up the classification, we make a new classification. Like “asteroid” or “dwarf planet” or “gas giant”.
minus-squarezqps@sh.itjust.workslinkfedilinkarrow-up1·1 month agoI don’t think the sun is in orbit around the sun.
minus-squareturmacar@lemmy.worldlinkfedilinkarrow-up1·edit-229 days agoThat’s very heliocentric of you. The definition of ‘planet’ has changed a lot in the last few millennia.
minus-squareSpzi@lemm.eelinkfedilinkarrow-up1·30 days agoSimilar to the arbitrarily defined density of other stuff in the same orbit. We need to draw lines somewhere to impose categories on nature.
So whatever hypothetical density constitutes an atmosphere becomes the arbitrary line in the sand.
Well, yeah. But even so, it’s still better than the current definition. Many “planets” have not, in fact, cleared their orbit.
Planet has never been very well delineated. The Sun was a “planet”. Ceres was a “planet”.
When we find enough things to break up the classification, we make a new classification. Like “asteroid” or “dwarf planet” or “gas giant”.
I don’t think the sun is in orbit around the sun.
That’s very heliocentric of you.
The definition of ‘planet’ has changed a lot in the last few millennia.
Similar to the arbitrarily defined density of other stuff in the same orbit. We need to draw lines somewhere to impose categories on nature.