fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 天前What's that light?mander.xyzimagemessage-square15fedilinkarrow-up1351arrow-down16
arrow-up1345arrow-down1imageWhat's that light?mander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 天前message-square15fedilink
minus-squarefrezik@midwest.sociallinkfedilinkEnglisharrow-up4·13 小时前One important one: is it more than an hour or so after sundown, or less than an hour or so before sunup? If so, it’s not a satellite, and is probably a plane.
One important one: is it more than an hour or so after sundown, or less than an hour or so before sunup? If so, it’s not a satellite, and is probably a plane.