Pro@programming.dev to Lemmy Be Wholesome@lemmy.worldEnglish · 2 months agoBe like Pluto.programming.devimagemessage-square87linkfedilinkarrow-up1942
arrow-up1942imageBe like Pluto.programming.devPro@programming.dev to Lemmy Be Wholesome@lemmy.worldEnglish · 2 months agomessage-square87linkfedilink
minus-squarezqps@sh.itjust.workslinkfedilinkarrow-up9·2 months agoSo whatever hypothetical density constitutes an atmosphere becomes the arbitrary line in the sand.
minus-squaregandalf_der_12te@discuss.tchncs.delinkfedilinkarrow-up2·2 months 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-up10·2 months 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-up1·2 months agoI don’t think the sun is in orbit around the sun.
minus-squareturmacar@lemmy.worldlinkfedilinkarrow-up1·edit-22 months agoThat’s very heliocentric of you. The definition of ‘planet’ has changed a lot in the last few millennia.
minus-squareSpzi@lemm.eelinkfedilinkarrow-up1·2 months 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.