字体:大 中 小
护眼
关灯
上一章
目录
下一页
dark grey star (第1/8页)
dark grey star
dark grey star The age of the universe is 13.8 billion years, and the diameter is about 93 billion light-years The Pisces-Cetus Supercluster plex is 1 billion light-years long and 150 million light-years wide. The Laniakea super gaxy has a diameter of 520 million light-years and tains 100,000 gaxies. The Virgo Supercluster is 100 million light-years in diameter and tains 47,000 gaxies. The Local Group of Gaxies is 10 million light-years in diameter and tains 50 gaxies The Andromeda Gaxy is 220,000 light-years in diameter and has 1 trillion stars. The Milky Way is 180,000 light-years in diameter and has 400 billion stars. What is the cept of light year only used units in astronomy are parsecs, astronomical units and light seds An astronomical unit is 149,597,870,700 meters A light sed is the distaraveled by light in one sed and is 299,792,458 meters. A light-year is 9,460,528,177,426.821 meters. One parsec equals 3.26 light years The speed of the earth&039; s movement around the sun is 29.79 kilometers per sed, The speed of the sun in the Milky Way is 240 kilometers per sed, The speed of the Milky Way in the universe is 600 kilometers per sed, The Juno space probe has a top speed of 265,000 kilometers per hour, It would take about 4075 Earth years to travel a distance of 1 light-year with Juno, If Juno were to fly to the closest habitable p to Earth, It takes 17115 Earth years to reach Proxima
上一章
目录
下一页
相关推荐:吸血恶魔暴力妞 , [综英美+龙族同人] S级混血种在满世界屠龙 , 我欲君临十九州(古言NP) , 柔妃挟君闯天涯 , 我家夫君是个病秧子 , 温言晓语 , 绝世剑帝 , 天宇守护神 , 绝品上门女婿 , 偶像练习生的身体开发日誌(高H、1v1、NP) , [海贼同人] 关于我和草帽同居被观影这件事 , 超神学院里的学霸