645
No free rides (lemmy.world)
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[-] MrJameGumb@lemmy.world 49 points 7 months ago

According to Wikipedia it takes 248 years for Pluto to orbit the sun! Sometimes it's eccentric orbit brings it closer to the sun than Neptune!

[-] 9point6@lemmy.world 17 points 7 months ago

Does that mean eventually Pluto will crash into Neptune in the absence of something else taking them out first?

[-] trainden@lemmy.blahaj.zone 34 points 7 months ago

Apparently not. There are 2 reasons for this: while Neptune's and Pluto's orbits overlap on images, they overlap in such a way they never overlap on the same 3D point in space. Ther is also gravitational resonance[2], where each planet speeds up or slows down as the other approaches

[1]https://www.astronomy.com/science/ask-astro-will-pluto-and-neptune-ever-collide/, [2]: https://www.sciencefocus.com/space/could-neptune-and-pluto-ever-collide-as-their-orbits-intersect

[-] MonkderDritte@feddit.de 4 points 7 months ago* (last edited 7 months ago)

"Sometimes" being around 50 years, or how much?

[-] milicent_bystandr@lemm.ee 13 points 7 months ago

Job of planet: clear entire orbit.

Requirements for candidate: must have already cleared entire orbit.

Prospective planet: ...

Agent: how about you clear your orbit as an intern, first.

[-] TrickDacy@lemmy.world 6 points 7 months ago

Why so many posts about Pluto today .?

[-] Liz@midwest.social 4 points 7 months ago

That's how memes be sometimes.

[-] UnrepententProcrastinator@lemmy.ca 4 points 7 months ago

According to creationist we can't know the orbit of pluto if we haven't seen it make an orbit.

[-] DannyMac@lemmy.world 3 points 7 months ago

Pfft, our moon is bigger. You're just a big ass comet that can't even do that right to get a tail.

this post was submitted on 15 Apr 2024
645 points (98.5% liked)

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