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Dark Grey Planet 01（第2页）

Ittakes65199EarthyearstoreachGris832c，whichis16lightyearsaway，

Ittakes83536EarthyearstoreachGris581g，whichis20.5light-yearsaway，

Ittakes92502EarthyearstoreachGris667，whichis22.7light-yearsaway，

ToreachGliese667Ccat24lightyears，itwouldtake97800Earthyears，

ToreachTrapp-1at39.13light-years，itwouldtake159，454Earthyears，

ToHD40307gat42lightyears，itwouldtake171149Earthyears，

Ittakes199，674EarthyearstoreachGris163c，whichis49light-yearsaway，

Ittakes452，325EarthyearstoreachK2-18binLeo，whichis111light-yearsaway，

ToreachKepler438b，whichis470lightyearsaway，itwilltake1915250Earthyears，

ToreachKepler186f，whichis500light-yearsaway，itwilltake2，037，500Earthyears，

Ittakes2，445，000EarthyearstoreachKepler22b，whichis600light-yearsaway，

KOI-4878.01to1075light-years，requires4380624Earth

ToreachKepler62fat1，200light-years，itwouldtake4，890，000Earthyears，

Ittakes5，705，000EarthyearstoreachKepler452b，whichis1，400light-yearsaway，

ToreachKepler69cat2700lightyears，itwilltake11002500Earthyears，

36，000light-yearsfromEarth，

TheSmithCloud，8，000light-yearsfromtheMilkyWay'sgalacticdisk，

Itisahugeextragalactichigh-speedhydrogencloudintheconstellationAquila，

TheshapeoftheSmithCloudissomewhatsimilartothatofacomet，

Itis9800light-yearslong，3262light-yearswide，andhasamassequivalenttoatleastonemillionsuns.

Atthismoment，

TheSmithcloudisatanangleof45degrees，

Ataspeedof241kilometerspersecond，ithitthePerseusarmoftheMilkyWay，

Atthesametime，

TheAndromedaGalaxyis220，000light-yearsindiameter

isswallowingalargenumberofneighboringTriangulumgalaxieswithadiameterof60，000light-years，

Andit'sexpanding...

Expandingstepbystep...

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