The Giant KoreantoShowerthoughts@lemmy.worldEnglish·6 months agoThe reason why we never meet time travelers is because our civilization ends before the technology can come to fruition.message-squarearrow-up1280arrow-down127message-square101file-textfedilink
arrow-up1253arrow-down1message-squareThe reason why we never meet time travelers is because our civilization ends before the technology can come to fruition.The Giant KoreantoShowerthoughts@lemmy.worldEnglish·6 months agomessage-square101file-textfedilink
minus-squareBjörn Tantauarrow-up8arrow-down1·6 months agolinkfedilinkYou can use the cosmic microwave background as a universal reference frame. Relative to that we move at about 370 km/s, depending on the time of the year.
minus-squarehorseloafarrow-up1arrow-down0·6 months agolinkfedilinkNow I’m hurting my head by thinking about traveling faster than 370 km/s in the opposite direction to Earth…
minus-squareBjörn Tantauarrow-up4arrow-down0·6 months agolinkfedilinkFor reference: Voyager 1 is traveling at 17 km/s away from the sun. The Parker Solar Probe should reach 191 km/s but will be flying towards the sun.
You can use the cosmic microwave background as a universal reference frame. Relative to that we move at about 370 km/s, depending on the time of the year.
Now I’m hurting my head by thinking about traveling faster than 370 km/s in the opposite direction to Earth…
For reference: Voyager 1 is traveling at 17 km/s away from the sun. The Parker Solar Probe should reach 191 km/s but will be flying towards the sun.