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[DOC File]Realism and the Limits of Scientific Explanation
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On option 1, the first premise will take the form ‘General relativity is the best explanation of gravitational lensing, the precession of Mercury’s perihelion, and… [all the other phenomena general relativity purports to explain], and the theory of evolution via common descent is the best explanation of homologies, the fossil record, and ...
gravitational lensing telescope

[DOC File]Review for Astronomy 3 Midterm #2
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We can also use gravitational lensing, whereby the principles of general relativity light bends in the presence of a massive object (so we can see distant objects when they pass behind foreground objects). This helps us map the distribution of dark matter in a galaxy cluster. Most galaxies will eventually interact with another galaxy.
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[DOC File]PHY 490 General Relativity Research Paper
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Gravitational Waves and the LIGO Project, recent detections. Pulsars, Neutron Stars and Other Exotic Objects. Einstein’s Equation. The Cosmological Constant, Dark Energy and/or Dark Matter. Gravitational Lensing. Black Holes, rotating, and/or charged. General Relativity and Other Models of the Universe. Alternative Models of Gravitation.
how does gravitational lensing work

[DOC File]Physics News from the AIP No 2, Term 1 2005
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Two spectacular examples of this are provided through gravitational lensing and the predictions of black holes. Gravitational lenses provide our strongest evidence for Dark Matter in the Universe. The gravity waves announced in 2016 came from a violent merger between two …
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[DOC File]Where Alice in Wonderland meets Albert Einstein
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Astronomers have since found many examples of this phenomenon known as ‘gravitational lensing’. More than just a cosmic illusion, gravitational lensing provides astronomers with a way of probing extremely distant galaxies and groups of galaxies in ways that would otherwise be impossible even with the most powerful telescopes.
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[DOC File]Charles Willard-rhetoric theory
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(B') Einstein was a genius and believed in gravitational lensing. _____ Gravitational lensing probably exists. For these kinds of appeals I speculatively propose (1999, 10) the following CRM analysis: “Most people who are legitimate authoritative experts about a subject have true opinions about many uncontroversial questions in that subject.
strong gravitational lensing

[DOC File]Chapter 17
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2. According to the general theory of relativity, a gravitational lens is the phenomenon in which the gravity due to a massive body between a distant object and the viewer bends light from the distant object and causes it to be seen as two or more objects. 3. Since 1979 many examples of gravitational lensing have been found. 4.
gravitational lensing image

[DOC File]Physics 121 Lecture Summary
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Principle of Equivalence: “All physical experiments conducted in a uniform gravitational field and in an accelerated frame of reference give identical result.” Pg. 1034, J.S. Walker, Physics, 4th edition. Leads to conclusion that gravity bends light. Can see this in gravitational lensing – …
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[DOC File]Hubble – the DVD
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The gravitational lensing results in multiple images of the original galaxy, many with a characteristically distorted, banana-like shape. Since the amount of lensing depends on the total mass of the cluster, gravitational lensing can be used to ‘weigh’ clusters.
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[DOC File]University of Pittsburgh
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The examples so far are of inferences to ordinary forms of matter. At the beginning of the 20th century, electrodynamicists were prepared to ascribe materiality to field, such as the electromagnetic field. ... Non-uniform dark matter distributions have been identified, most notably by gravitational lensing. This suggests a form of independence ...
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Gravitational lensing examples