Objectives
Following your study of this chapter, you should be able to:
- know what situations general relativity applies to
- state the Principle of Equivalence
- explain why astronauts orbiting around the earth feel a degree of equivalence
- discuss how light is affected by a gravitational field
- define gravitational redshift and be familiar with other tests of general relativity
- cite some sources of gravitational radiation that could in theory be detected on earth
- describe the process that leads to the formation of a black hole
- define Schwarzschild radius, singularity and event horizon
- calculate the radius of a black hole for a given mass
- state some reasons why it is so difficult to detect a black hole
- talk about frame dragging and the evidence that exists for it
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