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Originally posted by masterp
If our planet is electrically charged, how come this charge does not affect us in any way? How is it possible for electronics to not be affected? How is it possible for stars to eject plasma, and then this plasma is cooled down and solidified? Why this does not happen with stars? How come Earth's oceans come from Saturn, but Saturn can't have water for obvious reasons? There is nothing in standard cosmology that prohibits retrograde orbits; a body can orbit in any direction around another orbit. One simulation is not enough evidence against the standard model.
Originally posted by mnemeth1
PLEASE EXPLAIN HOW THE *heck* THEY KNOW MICROLENSING IS REAL TO BEGIN WITH.
A total solar eclipse on May 29, 1919, would occur just as the sun was crossing the bright Hyades star cluster. Dyson realized that the light from the stars would have to pass through the sun’s gravitational field on its way to Earth, yet would be visible due to the darkness of the eclipse. This would allow accurate measurements of the stars’ gravity-shifted positions in the sky.
Eddington, who led the experiment, first measured the “true” positions of the stars during January and February 1919. Then in May he went to the remote island of Príncipe (in the Gulf of Guinea off the west coast of Africa) to measure the stars’ positions during the eclipse, as viewed through the sun’s gravitational lens.
Eddington also sent a group of astronomers to take measurements from Sobral, Brazil, in case the eclipse was blocked by clouds over Príncipe. Outfitting and transporting the dual expeditions were no small feats in the days before transoceanic airplanes and instantaneous global communication.
Both locations had clear skies, and the astronomers took several pictures during the six minutes of total eclipse. When Eddington returned to England, his data from Príncipe confirmed Einstein’s predictions. Eddington announced his findings on November 6, 1919. The next morning, Einstein, until then a relatively obscure newcomer in theoretical physics, was on the front page of major newspapers around the world.
The bending of light around massive objects is now known as gravitational lensing, and has become an important tool in astrophysics. Physicists now use gravitational lensing to try to understand dark matter and the expansion of the universe.
Originally posted by Arbitrageur
Originally posted by mnemeth1
PLEASE EXPLAIN HOW THE *heck* THEY KNOW MICROLENSING IS REAL TO BEGIN WITH.
Sorry I had to edit your question for language before replying.
The first clue was in 1919:
www.wired.com...
A total solar eclipse on May 29, 1919, would occur just as the sun was crossing the bright Hyades star cluster. Dyson realized that the light from the stars would have to pass through the sun’s gravitational field on its way to Earth, yet would be visible due to the darkness of the eclipse. This would allow accurate measurements of the stars’ gravity-shifted positions in the sky.
Eddington, who led the experiment, first measured the “true” positions of the stars during January and February 1919. Then in May he went to the remote island of Príncipe (in the Gulf of Guinea off the west coast of Africa) to measure the stars’ positions during the eclipse, as viewed through the sun’s gravitational lens.
Eddington also sent a group of astronomers to take measurements from Sobral, Brazil, in case the eclipse was blocked by clouds over Príncipe. Outfitting and transporting the dual expeditions were no small feats in the days before transoceanic airplanes and instantaneous global communication.
Both locations had clear skies, and the astronomers took several pictures during the six minutes of total eclipse. When Eddington returned to England, his data from Príncipe confirmed Einstein’s predictions. Eddington announced his findings on November 6, 1919. The next morning, Einstein, until then a relatively obscure newcomer in theoretical physics, was on the front page of major newspapers around the world.
The bending of light around massive objects is now known as gravitational lensing, and has become an important tool in astrophysics. Physicists now use gravitational lensing to try to understand dark matter and the expansion of the universe.
And this is how Einstein who you love to hate, became a household name literally overnight. And these same experimental results which show light bending when passing the sun also explain how stars can bend light the same way a magnifying glass bends light.
Originally posted by mnemeth1
In fact, gravitational lensing theory has so many contradicting theories in support of it, one can not find a single standard view of lensing to even refute. I could attempt to refute one model, only to face conflicting data from another model, and so forth – of course none of the models are backed up by any laboratory experimentation.[89]
"The aim of this project was to obtain and use a knowledge of gravitational lensing to develop a computer model to simulate lensing effects on distant sources. Each stage of the computer model development is covered in the report*, from initial ideas, through to testing the model using some of the latest gravitational lens observations.
Originally posted by mnemeth1
• Quasar Q2237 “The Einstein Cross” – this quasar directly refutes the notion of gravitational lensing. This quasar is supposedly ONE quasar being lensed into FOUR images. The individual quasars are observed to change in brightness independently. They are not oblong in shape. They are are visibly connected by plasma to the galactic core. They are observed to change position. All of these observations are in direct contradiction to gravitational lens theory. The proposal that this is one quasar being lensed into four images is preposterous!
It is quite ridiculous that you cut/paste same (false) argument across the many clone threads of yours (bashing Albert). You really expect Minolta quality lensing from an agglomeration of mass with complex density distribution? In the same breath, you don't doubt for a second you see plasma. Just "wow".
Originally posted by sirnex
I've seen the animated gifs of the Einstein cross, I believe the OP has posted links to them before. They do indeed behave literally independently of on another. Some brightening while others dim at the same time. The animated gifs also show the quasars rotating differently from one another, which to me would seem odd if they were all the same object.
Originally posted by mnemeth1
There is nothing special about those rings at all. Ring systems of galaxies are a very common occurrence in space.
Originally posted by buddhasystem
Originally posted by mnemeth1
• Quasar Q2237 “The Einstein Cross” – this quasar directly refutes the notion of gravitational lensing. This quasar is supposedly ONE quasar being lensed into FOUR images. The individual quasars are observed to change in brightness independently. They are not oblong in shape. They are are visibly connected by plasma to the galactic core. They are observed to change position. All of these observations are in direct contradiction to gravitational lens theory. The proposal that this is one quasar being lensed into four images is preposterous!
It is quite ridiculous that you cut/paste same (false) argument across the many clone threads of yours (bashing Albert). You really expect Minolta quality lensing from an agglomeration of mass with complex density distribution? In the same breath, you don't doubt for a second you see plasma. Just "wow".
Originally posted by mnemeth1
You believe a bunch of black holes all rotating around the center of this galaxy are producing this image of one quasar?
And you are calling me crazy.
Originally posted by buddhasystem
I don't know the structure of that galaxy hence never made any pronouncements about black holes etc. What I said was very simple - an object of complex shape will produce a complex image. You can try looking at a point source of light through a shard of broken glass (or a diamond if you have one) and slowly rotate it.
Originally posted by buddhasystem
There is some of that but what's worse you are being dishonest. Right on this page, you posted irrelevant links to images of ring-like structures, claiming that these explain the rings attributed to gravitational lensing -- except they look nothing like it. The "Einstein rings" in many cases do have a very characteristic partial arc character to them and indeed look like a product of bad optics.
Originally posted by Arbitrageur
Originally posted by mnemeth1
There is nothing special about those rings at all. Ring systems of galaxies are a very common occurrence in space.
None of the images you posted really look like the top 3 images in the image I posted. They seem to show separate distance stars in the form of partial truncated rings. I don't see the truncated effect of the partial rings on your examples.
Originally posted by sirnex
reply to post by buddhasystem
What am I looking for? Which area in the picture? I just see a bunch of galaxies, some near and some far. Or at least they appear near and far based on brightness to me.