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Originally posted by jeenyus2008
3)When you look up pictures of a Nebula is that how we would see it (With all the neon colors) or would it not be so glorified? Could we even look directly at one?
Originally posted by Illustronic
reply to post by Gordi The Drummer
Orbital velocity increases at perihelion and slows when it is farther away at aphelion. This is true with all solar orbital bodies in the solar system regardless of the body's mass. Moons follow the same dynamics orbiting the parent body (the planet they orbit). Rotational speed has no relationship with the proximity a body is to what it orbits, meaning, the spin doesn't slow and speed up at perihelion and aphelion. Tidal friction can slow a rotation over millenniums, as well as eccentricity of an orbit as well as distance of an orbit.
Originally posted by davidgrouchy
Originally posted by ngchunter
Originally posted by davidgrouchy
And I only mentioned "Tidal Locking" as it is the prevailing version of hand waving done these days, (the reigning theory) and I call B.S.
I have yet to see a rational reason why you call "BS" on a well established fact. In fact, tidal force which induces tidal locking is used to the advantage of satellite operators in order to assist with attitude control. It's called gravity-gradient stabilization. It works.
So Jupiter, a gas giant, has "tidal locking" on 7 of it's moons.
All while the equator is rotating on it's axis 44 times faster than the Earth.
How would any of jupiters moons have time to get a "lock" ?
and what "tide" are they locking onto in the absence of clear oceans.
Originally posted by ngchunter
Way to ignore my post.
Originally posted by ngchunter
Way to prove you don't understand what tidal locking is or how it works. The rotation of the parent planet is irrelevant. It is simply a matter of the force of gravity being felt stronger on the near side of the moon than on the far side. It even works for artificial satellites.
Originally posted by ngchunter
What tide? Oceans have nothing to do with it. We see the effect of tidal force on the oceans, but oceans do not cause the tidal force.
Originally posted by Illustronic
reply to post by Gordi The Drummer
Orbital velocity increases at perihelion and slows when it is farther away at aphelion. This is true with all solar orbital bodies in the solar system regardless of the body's mass. Moons follow the same dynamics orbiting the parent body (the planet they orbit). Rotational speed has no relationship with the proximity a body is to what it orbits, meaning, the spin doesn't slow and speed up at perihelion and aphelion. Tidal friction can slow a rotation over millenniums, as well as eccentricity of an orbit as well as distance of an orbit.
edit on 5-1-2012 by Illustronic because: (no reason given)
Originally posted by jeenyus2008
How do Oceans on a planetary body effect tidal locking?? Im assuming gravitys natural pull and push..??
Originally posted by jeenyus2008
reply to post by Illustronic
Illustronic, I am having a hard time answering the question you posted on the first page. When would we see a full moon during the daytime (if possible)..???
Originally posted by davidgrouchy
Originally posted by ngchunter
Way to ignore my post.
Did I?
I knew it.
Yeah I've heard all this before.
It goes something like this. The inside of the moon is not evenly distributed in it's mass. The heavier side is drawn toward earth.
Of course the implication of this is that all 44 moons are lopsided on the inside.
/sarcasm
great, our orbital mechanics rely on a satellite to always face down hill.
/end sarcasm
So if me, a human, designs a satallite and I make one end heavier than the other, I can expect this kind of result.
Originally posted by davidgrouchy
Originally posted by ngchunter
What tide? Oceans have nothing to do with it. We see the effect of tidal force on the oceans, but oceans do not cause the tidal force.
Hey, they named the theory.
I can play all the word games I want with it.
Originally posted by ngchunter
Wow, quite a revealing quote. Now I understand what you're doing.
Isn't it interesting, though, that there are no orbital periods that are commensurate(Math™ ) with any other.
That they are all irrational(Math™ ) when compared to each other.
One would think that by pure chance, at least one orbital body would have a whole number relationship with at least one other orbital body.
But they don't.
The solar system has no common denominator.
What we have is the theory of gravity.
Originally posted by davidgrouchy
So who is surprised that I'm poking holes in, and not taking seriously a theory I consider antiquated, and nothing more than a patch job.
By draging the discussion into man made satellites,
Originally posted by ngchunter
Dragging the discussion? It was an elegant proof of the principle (a principle YOU brought into the discussion) which you failed to understand and decided to play "word games" with.
Epimetheus and Janus are the fifth and sixth moons in distance from Saturn. Both are phase locked with their parent; one side always faces toward Saturn. This co-orbital condition (also called 1:1 resonance) confused astronomers, who at first could not believe that two moons could share nearly identical orbits without colliding.
Trojan moons are a unique feature not found outside the Saturnian system. A Trojan body orbits at either the leading L4 or trailing L5 Lagrange point of a much larger object, such as a large moon or planet. Tethys has two Trojan moons, Telesto (leading) and Calypso (trailing), and Dione also has two, Helene (leading) and Polydeuces (trailing).
Originally posted by mugger
S@F for starting a useful thread which I see has degradated into insults.