fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 3 months agoI c it!mander.xyzimagemessage-square27linkfedilinkarrow-up1679arrow-down110
arrow-up1669arrow-down1imageI c it!mander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 3 months agomessage-square27linkfedilink
minus-squaremEEGal@lemmy.worldlinkfedilinkEnglisharrow-up15·3 months agoYou can actually use this, or more generally the shadow of a tree on any sunny day to calculate the distance to the sun ! (Can’t seem to find the video demonstrating it, but I have a feeling it’s from Physics Girl or Up And Atom on youtube)
minus-squareWolf314159@startrek.websitelinkfedilinkEnglisharrow-up8·2 months agoThe ratio of the size of the image to the distance from the pinhole is the same as the ratio of the size of the sun to the distance to the sun.
minus-squaremEEGal@lemmy.worldlinkfedilinkEnglisharrow-up3·3 months agoMy gut says Thales’ thorem, but this needs checking. That’s why I was looking for the video
You can actually use this, or more generally the shadow of a tree on any sunny day to calculate the distance to the sun !
(Can’t seem to find the video demonstrating it, but I have a feeling it’s from Physics Girl or Up And Atom on youtube)
The ratio of the size of the image to the distance from the pinhole is the same as the ratio of the size of the sun to the distance to the sun.
how?
My gut says Thales’ thorem, but this needs checking.
That’s why I was looking for the video