Quasars

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Pre-written Papers:

Title: Quasars

Essay Details:

Subject: Miscellaneous

Author: Javier H

Date: September 8, 2014

Level: University

Grade: A

Length: 7 / 1851

Essay text:

"The redshift problem is one of the most critical problems in astronomy today" - G. Burbidge. "Quasars still remain the profoundest mystery in the heavens" - Hazard and Mitton. The conventional interpretation of the spectral lines observed in quasars is based on the redshift hypothesis. Three hypotheses have been advanced to account for the supposed redshifts: 1. Cosmological hypothesis; the redshifts are due to the expansion of the universe, 2. Gravitational hypothesis, 3 Local-Doppler hypothesis; in this hypothesis the redshifts are due to the Doppler effect, but the quasars are relatively nearby and have nothing to do with the expansion of the universe...

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