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Those are just the seas of blood.
Wanna go explore them? I got this cool submarine for you.
End of Evangelion intensifies.
That was all just fanta-sy
it always kinda bugs me that people lose their minds over Pluto but can't name even one of the other four dwarf planets in our solar system
Ceres, Eris, Makemake, and I don't remember. But I don't think Pluto is a planet
Is Phobos one? They call that a moon and it's nothing more than a pebble.
That's no moon....
I hate when science headlines try to make shit seem all mysterious for clickbait. Those are just the blood temples. We've known about them for decades. It's not like a whole thing.
Pluto and Charon are double planets. Change my mind.
Pluto is smaller than Earth's moon. Should our moon be a planet too?
No, because absolute size is not what makes a moon a moon. Our Moon is a moon because it directly orbits a planet, not a star. Charon is massive enough relative to Pluto that the former does not directly orbit the latter, but instead they both orbit a common barycenter located between them, making them a binary planetary system.
A binary dwarf planetary system
I mean the earth and moon do the same thing, just on a much smaller scale.
Not quite. All two-body systems orbit a common barycenter, but the mass ratio of the Earth-Moon system is so lopsided that the barycenter is inside the Earth, not between them like with Pluto and Charon.
Does our moon independently orbit the sun?
The barycenter between earth and the moon is within the earths crust. The barycenter between charon and pluto is outside of plutos surface. For those who dont understand, this means that the center of gravity between the earth and moon is INSIDE the earth. So the moon orbits a point within the earth. Not so with the charon pluto system. Both worlds orbit a point in space.
If the moon was to have its own orbital path around the sun, then sure. It would be a planet imo. It's rounded by its own gravity... and it would orbit the sun.
But I guess if we want to the meat of the subject about what defines a planet in the most basic sense, it would be things that make Earth a planet, since we pretty much all agree Earth is a planet. So.. rounded... Orbits the sun... What else would you say describes the Earth?
Gaia and Selene are double planets. Change my mind.
I've never stopped believing in you, Pluto ❤️
Nothing compared to the bruises on Uranus.
You heard about Pluto?
Tholins
How can you call yourself a grown up and you can't even clean your orbit?
this post was submitted on 02 Dec 2023
595 points (96.0% liked)
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