exam 3 - Relativity and Black Holes (not covered on 2nd...

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Relativity and Black Holes (not covered on 2 nd exam from study guide #2) Understand the basis for Einstein's General Theory of Relativity: o Why we need it (special relativity limitations) o Equivalence principle significance (equality of inertial and gravitational mass) o Gravity is replaced by curvature of spacetime. o Experimental tests and theory predictions: gravitational bending of light, precession of mercury’s orbit, gravitational slowing of time and gravitational red shift, gravitational waves. Understand the effects on clocks of a very large mass. How and where do black holes form? Understand how we know of a black hole's existence. Understand the concepts of singularity, event horizon and Schwarzchild Radius. Black holes physical properties. The Milky Way Galaxy How can we locate the Sun within the galaxy? o Role of RR Lyrae variables How can we determine the shape of our galaxy? o Far-infrared (dust), near-infrared (stars), 21cm emission (HI clouds) Know the shape and major components of the MW: o Central bulge o Disk o Halo Understand the nature of the orbits of stars in different regions (halo, disk) of the galaxy. Understand the physical and chemical differences between the different populations of stars (Population I, Population II) and where we can find them within the galaxy. Understand the relationship between rotation and mass (Kepler’s 3 rd law). How does the Milky Way rotate?
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exam 3 - Relativity and Black Holes (not covered on 2nd...

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