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Originally posted by i_want_the_truth
how many videos of satellites literally breaking apart are there? oh right, just this one. there is a lot of debris. if you want to understand gravity, parabolic arcs and line of sight read my previous posts, but i don't expect you to.
and if you want to see debris, watch any undocking in space.
Those videos show rockets losing there lower stages and ect. This is not any kind of proof that ice and ect. can change there trajectory. How does showing some rockets compare to this threads discussions?
Once an object is in motion, it will follow that motion until acted upon, i.e. earth's gravity. If this is the case, then ALL objects would react in a similar way. Granted, there may be some variance but in general, they will all be moving in the same general direction. We are talking about an about face 180 degree turn around, as well as velocity changes. This is not a matter of perspective, or parabolic arcs. The tether is only 20 miles out you dummy.
Gravity, parabolic arcs and line of sight do not react the same way this thread's video depicts.
Why don't you just say it was some swamp gas.
You need to look at the threads opening video, How does your video of rockets have anything to do with this at all....
I asked for proof of debris or anything that reacts the same way the video depicts, which you have not done.
Originally posted by Komodo
'fly' to a spot near the tether and remain at a .5 sec stand still and THEN shoot from a standstill in space and launch in the opposite direction....as the EC stated.. in a delta-V direction...
Originally posted by JScytale
reply to post by Exuberant1
attempting to demonstrate a parabolic arc from a near-head on angle.
notice the trajectory. now imagine a particle following it exactly - it appears to move in one direction, slow down, and make a complete U-turn.
now imagine yourself positioned *exactly* in line with the direction of its motion. it will appear to move, slow down, come to a complete stop for a moment, and reverse its course 180 degrees exactly.
Originally posted by i_want_the_truth
How are some of these objects being pulled toward earth as some are being pulled away. The parabolic effect would only stand true if ALL objects where being effected the same way. Which they are not!
Originally posted by i_want_the_truth
How are some of these objects being pulled toward earth as some are being pulled away. The parabolic effect would only stand true if ALL objects where being effected the same way.
Originally posted by zorgon
Originally posted by i_want_the_truth
How are some of these objects being pulled toward earth as some are being pulled away. The parabolic effect would only stand true if ALL objects where being effected the same way. Which they are not!
Bingo Thanks for noticing that. Seems some people do still think
Also the "earth gravity pulling them down" has one other SERIOUS flaw...
TIME
There is no way that the gravity of the Earth would effect a small particle (as claimed) in such a short observable time frame. If that was true then there would be no problem with orbiting debris as it all would fall down in a matter of minutes (the time span of the observed movement in the clip)
As we all know this is not the case as even heavier objects stay in orbit a very long time, especially at the height of the Shuttle orbit.
To even suggest that the Earth's gravity is pulling these in a parabolic trajectory back to earth is ludicrous. Glad someone sees through the attempted obfuscation.
And as you say the effect would be EQUAL on all the objects, not be random in several directions
Starred
[edit on 8-6-2009 by zorgon]
Originally posted by JScytale
you again show a severe misunderstanding of basic science.
Originally posted by zorgon
Originally posted by JScytale
you again show a severe misunderstanding of basic science.
So you keep saying yes...
But why don't you show me the math on how Earth's gravity can be responsible for the movements as you claim?
It's easy to say "you don't understand science" but until you can show me the scientific data that backs your ludicrous claim, you have little to stand on save your opinion
Show us the facts and figures of other particles in space being acted on by the Earth's gravity over such a short time frame
So far I have yet to see you supply one byte of proof for any of your speculations
Originally posted by JScytale
the force of gravity is effecting *everything* in the earth's gravitational field, at ALL times (there is no wait and then hey gravity grabbed me). both the satellite and the shuttle were previously in orbit with the earth, which means their trajectory and velocity exactly match the earth's curvature, so the earth pulls them "down" at the same rate the earth is "falling away" as they shoot into space.
see spaceplace.nasa.gov...
anything that breaks off of the shuttle or satellite shares its momentum. as there is no atmosphere in the earth's orbit, there are no forces slowing it down so it moves alongside the shuttle / satellite, with slightly different directions resulting from the forces that broke it off of the object it was a part of. SLOWLY, these little bits of difference in trajectory decay or change their orbits until they are so far away they can no longer be seen, or they fall into the atmosphere. they also collide with each other and the shuttle, drastically changing their direction of movement.
here's an experiment that should demonstrate momentum very simply and effectively.
grab a small ball, such as a baseball. hold it in your hand facing downwards and jump, and while you are rising into the air let go (but do not put any force into this, just "drop" it). it should move with you perfectly, staying in contact with your palm until your feet hit the ground and it continues along its path to the ground.
now do the same with an *extremely* soft nudge away from you. notice how it still follows your exact up and down motion, but it also drifts off to the side while falling.
[edit on 8-6-2009 by JScytale]
Originally posted by Malcram
reply to post by JScytale
OK, but can you demonstrate that gravity could account for that degree of movement in that time frame on any object, regardless of size?
Originally posted by JScytale
low earth orbit is approximately 150 km above the earth. at this altitude, the earth's gravity does the same thing, at the rate of acceleration of 9.361 meters per second faster every second. thats hardly much difference from 9.8 m/s^2, so the incredible rate of acceleration is almost identical.
Originally posted by Malcram
reply to post by JScytale
OK, thanks for going to that effort. However, what accounts for that force appearing to suddenly kick in on these "objects" (whatever they are). The force of gravity would be operating on them all the time, right? So why do they appear to move in one direction and then suddenly, abruptly change direction? And why do only some do so and not others? Why do we not see a general drift on all "objects" in frame, all in the same direction, constantly, in accord with a constant force?
[edit on 8-6-2009 by Malcram]