Blaze (he/him)@sopuli.xyz to Map Enthusiasts@sopuli.xyzEnglish · 9 months agoHow Smooth Is The Earth, Really? Explore Elevation With An Interactive 3D Globefiles.catbox.moeexternal-linkmessage-square15fedilinkarrow-up1131arrow-down12file-text
arrow-up1129arrow-down1external-linkHow Smooth Is The Earth, Really? Explore Elevation With An Interactive 3D Globefiles.catbox.moeBlaze (he/him)@sopuli.xyz to Map Enthusiasts@sopuli.xyzEnglish · 9 months agomessage-square15fedilinkfile-text
minus-squareContentedness@lemmy.nzlinkfedilinkEnglisharrow-up14·9 months agoI learned that the oxygen around the earth is about as thick as a coat of paint on a pool ball, relatively. I’m not sure how accurate that is.
minus-squareHagdos@lemmy.worldlinkfedilinkarrow-up12·9 months agoSpace is about 100 km up, on a sphere that has a radius of 6000 km, so some 2% is air. A pool ball has a radius of 30 mm roughly, so 2% of that is 0.6mm. Seems like a very thin coat of paint to me, but roughly correct.
minus-squareDominusOfMegadeus@sh.itjust.workslinkfedilinkEnglisharrow-up3·9 months agoA coat of paint is like 0.045mm thick
minus-squareDroechai@lemm.eelinkfedilinkEnglisharrow-up2·edit-29 months ago“One thin layer” https://i.ytimg.com/vi/m3p_VuPIS2c/hqdefault.jpg https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Ftptwat5hxsj71.jpg
minus-squareHagdos@lemmy.worldlinkfedilinkarrow-up1·9 months agoNot on the walls I’ve painted. I don’t know about pool balls, but I’d imagine they need a solid layer of paint too, otherwise they’d flake in no time with the abuse they get.
minus-squareyuri@pawb.sociallinkfedilinkarrow-up5·9 months agoI was once told that if you scaled the earth and a glass marble to be the same size, the earth would have a much smoother surface.
I learned that the oxygen around the earth is about as thick as a coat of paint on a pool ball, relatively.
I’m not sure how accurate that is.
Space is about 100 km up, on a sphere that has a radius of 6000 km, so some 2% is air.
A pool ball has a radius of 30 mm roughly, so 2% of that is 0.6mm. Seems like a very thin coat of paint to me, but roughly correct.
A coat of paint is like 0.045mm thick
“One thin layer”
https://i.ytimg.com/vi/m3p_VuPIS2c/hqdefault.jpg
https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Ftptwat5hxsj71.jpg
Not on the walls I’ve painted. I don’t know about pool balls, but I’d imagine they need a solid layer of paint too, otherwise they’d flake in no time with the abuse they get.
I was once told that if you scaled the earth and a glass marble to be the same size, the earth would have a much smoother surface.