What role do black hole thermodynamics and the laws of black hole mechanics play in linking general relativity with thermodynamic principles?
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- Please explain the theory also. I need to understand the concept. Thank you in advance. A light of wavelength 620 nm is emitted from 5 Schwarzschild radii from a 20 solar mass black hole. What wavelength is observed for this light by an observer a long distance away? (The objects are not moving with respect to the observer)Explain how special relativity differs from general relativity.In 1999, scientists discovered a new class of black holes with masses 100 to 10,000 times the mass of our sun that occupy less space than our moon. Suppose that one of these black holes has a mass of 1x10^3 suns and a radius equal to one-half the radius of our moon. What is the density of the black hole in g/cm^3? The radius of our sun is 7.0x10^5 km, and it has an average density of 1.4x10^3 kg/m^3. The diameter of the moon is 2.16x10^3 miles.
- The discovery of the dark energy was a surprise because astrophysicists generally assumed that the expansion would be slowing down. Select one: True FalseLet's say a spaceship is approaching Sagittarius A*. How close to this black hole must the spaceship get to experience time twice as slowly?(Astronomy) Black Hole Gravity I. If the gravitational acceleration is g=GM/r^2, what gravitational acceleration does a particle feel at the Schwarzshild radius of a 12-solar-mass black hole star? Express your answer in units of m/s2. Please round your answer to three significant digits.
- What indicates that the gravitational wave originated from the merger of a black hole?What is the point of view on the topic of parallel universes and black holes? Start with a background on the topic that is in one's voice onlyWhat is the Schwarzschild radius? Group of answer choices The size of the radius for a mass where the escape velocity equals the speed of light. The radius light is bent to when passing a mass. The change in the perihelion of an orbit due to general relativity. The radius of the accretion disk around a black hole.