rxin@lemmy.blahaj.zone to Not The Onion@lemmy.worldEnglish · 1 month agoReflect Orbital sells sunlight at night, but don't trust that fancy videomashable.comexternal-linkmessage-square15fedilinkarrow-up152arrow-down12file-text
arrow-up150arrow-down1external-linkReflect Orbital sells sunlight at night, but don't trust that fancy videomashable.comrxin@lemmy.blahaj.zone to Not The Onion@lemmy.worldEnglish · 1 month agomessage-square15fedilinkfile-text
minus-squaredeegeese@sopuli.xyzlinkfedilinkEnglisharrow-up1arrow-down1·1 month agoBecause the sun is not a point source but a disk half a degree across, you can’t focus the sun tighter than about a 1km spot from a mirror in low earth orbit.
Because the sun is not a point source but a disk half a degree across, you can’t focus the sun tighter than about a 1km spot from a mirror in low earth orbit.