How does gravitational lensing work
[DOCX File]Research Final Report.docx
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Metcalf, R.B. & Madau, P. 2001 Compound Gravitational Lensing as a Probe of Dark Matter Substructure within Galaxy Halos, Astrophys. J. 563, 9-20. Narayan, R. & Bartelmann, M. 1996 Lectures on Gravitational Lensing, unpublished (but see astro-ph/9606001)
[DOC File]Exam 1 (Chapters 1-4)
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The available gravitational lensing results do find that the masses of spirals that act as lenses are of the same order of magnitude as is typically found by rotation curves for spirals of similar diameters and luminosities; likewise, where the lens is an elliptical galaxy the mass derived from the lensed image agrees to within an order of ...
[DOCX File]I-Search:Dark Matter
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A) Gravitational waves are frequently and easily detected by large telescopes. B) Gravitational waves have been detected by observing their effect on large masses suspended on Earth. C) The orbit of a star system consisting of two neutron stars is slowly decaying, suggesting that energy is being carried away by gravitational waves.
[DOC File]The Evidential Value of Coincidences:
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Classically, we would say that a mass, such as a planet, exerts a gravitational force on another mass, such as a moon or a person. However, a person in an “elevator” cannot determine whether his or her “elevator” is in the gravitational field of a planet or is being accelerated at a constant rate by, say rocket motors.
[DOC File]Modern Physics Notes
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If this works in an _____ frame, then it should work in a _____ field too. And it does. Light will bend in a large gravitational field. The proof: Gravitational Lensing (Proved in 1919) [Draw the picture] Time and Gravity _____ is also effected by _____ fields. We saw before that moving clocks run slow.
[DOC File]Notes – Relativity
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dark matter is and there is barely any solid facts on whether dark matter exist or not and if it does exist what is it. I tried to look at different words and definitions, for example gravitational lensing is a property of dark matter basically magnifying parts of the dark matter allowing to magnify something far away like a planet.
What is Gravitational Lensing? | CFHTLenS
Gravitational lensing is a directly observable effect of general relativity. Relativity predicts that the presence of mass causes light beams to bend. This manifests in a couple different ways, but the most dramatic of which is strong lensing.
[DOCX File]Front Page | Department of Mathematics
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1. Dark matter exhibits normal gravitational forces while dark energy pushes outward. 2. Dark matter has mass, but dark energy does not. 3. Dark energy can be detected by gravitational lensing, but dark matter cannot. 4. Nobody knows since neither can be seen. 22. Our universe appears to consist primarily of. 1. luminous matter. 2. non-luminous ...
[DOC File]www.astro.caltech.edu
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Gravitational lensing is a technique used to determine the size of galaxies. Einstein’s theory of general relativity states that matter curves space time. Therefore, mass will bend light, and even dark matter will bend light.
[DOC File]Notes – Relativity
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If this works in an _____ frame, then it should work in a _____ field too. And it does. Light will bend in a large gravitational field. The proof: Gravitational Lensing (Proved in 1919) [Draw the picture] Time and Gravity _____ is also effected by _____ fields. We saw before that moving clocks run slow.
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