Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · 3 months agoIf Aliens arrive with their tech to traverse world wouldn't our weapons pretty much look like sticks and stones to them? Also how do we not catch a disease from them or vice versa?message-squaremessage-square21fedilinkarrow-up136arrow-down19
arrow-up127arrow-down1message-squareIf Aliens arrive with their tech to traverse world wouldn't our weapons pretty much look like sticks and stones to them? Also how do we not catch a disease from them or vice versa?Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · 3 months agomessage-square21fedilink
minus-squaresuperkret@feddit.orglinkfedilinkEnglisharrow-up9·3 months agoIf it burns up in the atmosphere with relativistic speed, it burns up the atmosphere.
minus-squareQuadratureSurfer@lemmy.worldlinkfedilinkEnglisharrow-up5·3 months agoRelevant xkcd video: https://www.youtube.com/watch?v=3EI08o-IGYk
minus-squareCanadaPlus@lemmy.sdf.orglinkfedilinkEnglisharrow-up2·3 months agoTrue, but damage still depends on craft size. At the really small end you’re basically just talking about a normal cosmic ray.
If it burns up in the atmosphere with relativistic speed, it burns up the atmosphere.
Relevant xkcd video: https://www.youtube.com/watch?v=3EI08o-IGYk
True, but damage still depends on craft size. At the really small end you’re basically just talking about a normal cosmic ray.