AST112 EXAM 3

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  1. What is a black hole?
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  2. General Relativity
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  3. PRINCIPLE OF EQUIVALENCE
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  4. GRAVITY BENDS LIGHT
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  5. PROOF OF THE GENERAL RELATIVITY
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  6. GRAVITATIONAL LENSING
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  7. SOLAR ECLIPSE OF 1919
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  8. CURVATURE OF SPACETIME
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  9. WARPED SPACE
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  10. WHAT HAPPENS WHEN SPACE IS WARPED SO MUCH THAT NOT EVEN LIGHT CAN ESCAPE?
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  11. BLACK HOLES HAVE MASS, ANGULAR MOMENTUM AND ELECTRICAL CHARGE
    • -MASS: AT A DISTANCE A BLACK HOLE EXERTS THE SAME GRAVITATIONAL FORCE SUCH AS ANY OTHER OBJECT
    • -Black holes SPIN RAPIDLY AS THEY FORM.Their fast rotation distorts space and time near the boundary of the blackhole.
  12. BLACK HOLE DIAGRAM
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  13. EXPLORING THE SWARTZCHILD RADIUS
    • -THE SIZE OF A BLACK HOLE DEPENDS ON MASS
    • - SIZE OF A BLACK HOLE IS GIVEN BY A SIMPLE FORMULA
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    • ANY OBJECT WITH A MASS CAN BECOME A BLACK HOLE IF IT CAN BE CRUSHED TO A SMALL ENOUGH RADIUS
  14. Falling into a Black Hole
    • TIDES: you can feel the gravity is stronger on your feet than on your head.
    • It feels like you are being stretched!
    • As you cross the event horizon, a distant observer sees you TURN redder.
    • time slows down (your clocks runslower and slower…) finally…you ARE A frozen image as
    • you cross the event horizon
  15. What to YOU see ?
    • …the black void is suddenly replaced by an unimaginable array of views.
    • You see outwards – light falls into the black hole butdoesn’t get out
    • You are lost to our universe forever.And within a few seconds, you are swept into the massive singularity at the center of the black hole and crushed into oblivion!
  16. WHAT YOU SEE... Unless….

Card Set Information

Author:
ithuestad
ID:
114000
Filename:
AST112 EXAM 3
Updated:
2011-11-02 22:19:13
Tags:
black holes general relativity
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Description:
black holes and general relativity
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