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7 Cards in this Set
- Front
- Back
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What is the basis for strange ideas such as time dilation, length contraction, and lack of absolute simultaneity? |
The speed of light being constsnt |
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What best describes the "fabric" of space and time as outlined by the classical physics of Newton? |
Space is perfectly uniform, filling everywhere like a fixed network, while time passes at a uniform rate. |
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Why is a black hole named such? |
It emits a perfect black body spectrum. |
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What is Hawking radiation? |
Streams of particles and antiparticles from just outside the event horizon of a black hole. |
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What would the mass of a primordial black hole need to have been for it to be disappearing now due to the loss of Hawking radiation? |
10 billion kg |
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Sometimes particle-antiparticle pairs are created and then annihilate so quickly that we cannot know that they ever existed. What are these particles (or antiparticles) called? |
Virtual particles |
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Which of the following techniques has been successful in identifying good candidates for a black hole in the Milky way Galaxy? |
Detection of X-rays from a binary star undergoing mass exchange, where masses of component stats can be determined. |
