Gravitational lensing telescope
[DOC File]Hubble Space Telescope
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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. ... This makes finding these objects in telescope databases a brute force problem, exhaustively ...
[DOC File]Wesley N. Colley
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D) gravitational lensing . E) combining all the above . Answer: C. 20) What are the two main differences between extrasolar planetary systems discovered to date and our Solar System? A) extrasolar planets tend to be more massive and dense than Jupiter . B) extrasolar planet orbits tend to be more eccentric and inclined than in our Solar System
[DOC File]Hubble Space Telescope
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Einstein's General Theory of Relativity was the first to predict the phenomena of gravitational lensing, which have since been actually observed with Hubble telescope and otherwise. It however, unrealistically postulates that the gravitational field exists and produces a curvature in the non-existent spacetime continuum.
[DOC File]Lick Observatory
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Dark Energy, since this survey telescope has the potential of employing all three major techniques: supernovae (detection, photometry and redshift estimate), baryon acoustic oscillations (through multi-object spectroscopy in slit mode) and weak lensing (through wide field imaging of exquisite quality).
A Wide-Field, Optical-Near-IR Survey With a 4-m Telescope
Strong Gravitational Lensing Cluster Cl0024+16. Observed the system with Hubble Space Telescope. Accurately registered and stacked nearly 100 deep images, filtering cosmic rays and proton events. Developed a fast ray-tracing simulation package to reconstruct the very faint source image from z ~ 1.5.
Hubble snapped a photo of a curved galaxy that looks like a molte…
The subject has grown apace since the launch of the Hubble Space Telescope such that gravitational lensing is now one of the most powerful tools in the armory of the modern astronomer contributing significantly to determining the growth of large scale structure of the Universe and the evolution of galaxies within it.
[DOC File]www.astro.caltech.edu
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This new result was only made possible with some cosmic assistance in the form of gravitational lensing that magnified the light from the distant galaxies enough for Hubble to detect them. A firm confirmation of their distance was beyond even the capabilities of the 10-meter Keck telescope and must await powerful future ground-based telescopes.
[DOCX File]The History of Hubble - Hubble Space Telescope
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gravitational lensing event in 1993 and have now published approximately twenty instances of microlenses in the direction of the Magellanic Clouds. These results demonstrate that there is a population of MACHO objects in and around the Milky Way galaxy that could comprise as much as one half of the Milky Way total (baryonic/normal-matter) Dark ...
[DOC File]THE NATURE OF GRAVITATION
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The third method uses gravitational lensing to determine the mass of the cluster. The light-bending angle of a gravitational lens depends on the mass of the cluster, so we can measure the mass by observing how strongly the cluster distorts light paths of more distant galaxies. All three methods generally agree with one another.
[DOCX File]Research Final Report.docx
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This effect, called gravitational lensing, is only visible in rare cases and only the best telescopes can observe the related phenomena. Hubble's sensitivity and high resolution allow it to see faint and distant gravitational lenses that cannot be detected with ground-based telescopes
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