Madbrad200@lemmy.world to Today I Learned (TIL)@lemmy.caEnglish · 2 年前TIL of COCONUTS-2b, a giant gas planet that takes over 1 million years to orbit around its staren.wikipedia.orgexternal-linkmessage-square12fedilinkarrow-up174arrow-down11
arrow-up173arrow-down1external-linkTIL of COCONUTS-2b, a giant gas planet that takes over 1 million years to orbit around its staren.wikipedia.orgMadbrad200@lemmy.world to Today I Learned (TIL)@lemmy.caEnglish · 2 年前message-square12fedilink
minus-squareRankWeis@sh.itjust.workslinkfedilinkEnglisharrow-up4·2 年前I wonder what tech we have that can measure something that slow? Wouldn’t it just look stationary?
minus-squareCanuck1701@lemmy.calinkfedilinkEnglisharrow-up2·2 年前It does basically look stationary, but if you know the masses of the planet and the star and know the radius of orbit, then you can determine what the speed must be for it to be a stable orbit.
I wonder what tech we have that can measure something that slow? Wouldn’t it just look stationary?
Very accurate tech :)
It does basically look stationary, but if you know the masses of the planet and the star and know the radius of orbit, then you can determine what the speed must be for it to be a stable orbit.