randomaccount43543@lemmy.world to xkcd@lemmy.worldEnglish · 11 months agoxkcd #2853: Redshiftimgs.xkcd.comimagemessage-square7fedilinkarrow-up1235arrow-down17file-text
arrow-up1228arrow-down1imagexkcd #2853: Redshiftimgs.xkcd.comrandomaccount43543@lemmy.world to xkcd@lemmy.worldEnglish · 11 months agomessage-square7fedilinkfile-text
minus-squarexkforce@lemmy.worldlinkfedilinkEnglisharrow-up23·edit-211 months ago5 years ago or so and 5 or 6 hours in the future
minus-squarexkforce@lemmy.worldlinkfedilinkEnglisharrow-up5·11 months agoz values refer to red/blueshifts and correspond to time periods in the universe’s history. In reality thats a vast oversimplification but given the way the comic is using z values, those two time periods are what they were intending to convey
minus-squarelugal@sopuli.xyzlinkfedilinkEnglisharrow-up1·11 months agoOk, cool that makes sense. I have a rough idea what redshift is, I just didn’t read the title. Thanks!
5 years ago or so and 5 or 6 hours in the future
Thanks! What is the unite?
z values refer to red/blueshifts and correspond to time periods in the universe’s history. In reality thats a vast oversimplification but given the way the comic is using z values, those two time periods are what they were intending to convey
Ok, cool that makes sense. I have a rough idea what redshift is, I just didn’t read the title. Thanks!