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The post something funny thread

That has nothing to do with the cartoon. The sun and earth do in fact orbit a common center, it's just that that center is inside the sun.
I clearly do not get it.

The cartoon juxtaposes an Earth-centric and a Sol-centric universe model. Then, a third person suggests that both orbit a common center. The third person is patently wrong. The sun is a mass that we define as a celestial body, like a planet. It has a gaseous layer, just as Venus does. We regard that layer as part of the planet itself. Bodies outside orbit those bodies.

The earh has a gaseous layer, much thinner. We do not ever refer to our atmosphere as "orbiting" our planet. It is a part of the planet. Bodies outside Earth, like Luna, orbit our planet.

We, in turn, orbit Sol.

Earth and Sol orbit as part of a solar system, some galaxy center that keeps our galaxy "together" to some degree, as a star and gas and dust cluster.

The middle figure in the cartoon is proposing that neither Earth nor Sol is the center of orbiting, but that both circle (or orbit) some third point, outside either Earth or Sol, meaning that neither Earth or Sol actually orbit each other.

Sol does not orbit Earth.

Sol and Earth do not orbit a "common center" instead of one orbiting another.

Earth indeed orbits Sol.

The premise of he cartoon seems both wrong in asserting a "common center" as well as the premise that two views in opposition are never individually true or absolute. Its sounds quite like some metaphysical sophistry.

"Charles Lindberg paid to have his son kidnapped because he was ashamed of him."

"Charles Lindberg did not pay to have his son kidnapped."

One of those two statements is true. One is false. They are absolute.

There are absolute truths. Truth is not "always" in between absolutes.
 
I clearly do not get it.

The cartoon juxtaposes an Earth-centric and a Sol-centric universe model. Then, a third person suggests that both orbit a common center. The third person is patently wrong.
The third person is, for those of us who believe in Black Holes, is talking about Sagittarius A Star, around which everything in the Milky Way revolves.

Of course, it's a moot point because the Earth is obviously flat.
 
The cartoon juxtaposes an Earth-centric and a Sol-centric universe model.
Right.

Then, a third person suggests that both orbit a common center. The third person is patently wrong.
That person is absolutely correct.

The sun is a mass that we define as a celestial body, like a planet. It has a gaseous layer, just as Venus does. We regard that layer as part of the planet itself.
What the sun is made of is not relevant to the physics.

Bodies outside orbit those bodies.
No -- that's shorthand, but any astronomer knows that it's just shorthand.

The earh has a gaseous layer, much thinner. We do not ever refer to our atmosphere as "orbiting" our planet. It is a part of the planet.
Not relevant.

Earth and Sol orbit as part of a solar system, some galaxy center that keeps our galaxy "together" to some degree, as a star and gas and dust cluster.
Irrelevant -- the galaxy is not involved.

Sol and Earth do not orbit a "common center" instead of one orbiting another.

But they do. It's something any university student taking calculus-based astronomy will almost certainly get to calculate. If you treat the sun and the Earth as point masses, the center of Earth's orbit is not at the sun, it is outside. Both the Earth and the sun orbit that point.

The premise of he cartoon seems both wrong in asserting a "common center" as well as the premise that two views in opposition are never individually true or absolute. Its sounds quite like some metaphysical sophistry.
The cartoon is totally correct. In any two-body system, the actual center of the system is not either of those bodies, it is a point that they both orbit. This is basic physics.

The third person is, for those of us who believe in Black Holes, is talking about Sagittarius A Star, around which everything in the Milky Way revolves.
The third person is talking only about the Earth and the sun.
 
A WIFE Sends a Message to Her HUSBAND

WIFE: “Honey, please don't forget to buy bread when you're coming home from work, and lest I forget... Your girlfriend Elizabeth is also here and says hello to you.”

HUSBAND: Who is Elizabeth?

WIFE: Nobody, I just wanted you to respond, so I can have confirmation that you saw my message.

HUSBAND: But I’m with Elizabeth right now, I thought you saw us!

WIFE: What! Where are you?

HUSBAND: Near the neighbourhood bakery.

WIFE: Wait, I’m coming right now!

After 5 minutes, his wife sends a message:

WIFE: I’m at the bakery, where are you?

HUSBAND: I’m at work. Now that you’re at the bakery, please buy the bread and go home!
 
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