What is a black hole?
Q: TRUE OR FALSE A Black Hole’s singularity has zero radius yet can accommodate infinite mass.
A: SOlution: Is black hole has zero singularity and yet capable of taking all the mass inside.
Q: hat is the mass of a black hole with a Schwarzschild Radius of 1 AU? Please show w
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Q: What is the evidence that dark matter exists?
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Q: Which of these will the Sun probably become in the very distant future? (choose all that apply)…
A: In about 5 billion years, sun will burn up all of the hydrogen in its core, it will swell into a red…
Q: Why is it not possible to find out what's going on in our nearest star within the span of 24 hours?
A: Einstein's special relativity explains how speed affects mass, time, and space. As per special…
Q: function of time of th cheetah.
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Q: true or false A supernova core with a mass 2X that of the Sun produces a Black Hole
A: The Sun need to be concerning 20X additional large to finish its life as a black hole. Stars that…
Q: Stars begin their life cycle in a O black hole O nebula O nova O supernova
A: Answer:) star begin their life cycle in a nebula
Q: What type of explosion occurs when a black hole is born? Group of answer choices Gamma-ray Burst…
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Q: Calculate the mass of black hole with a radius of 20 km.
A: For a blackhole, the radius of the event horizon or the point of no return is defined as the…
Q: Place the large black ball (black hole) in the center of the sheet. Experiment with different sized…
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Q: Approximate the wavelength of the Hawking radiation from a black hole of mass 1.5×1030 kg 74 km 86…
A: To approximate wavelength of Hawking radiation from a black hole , we can use formula for…
Q: Is there a way to quantify Dark Matter?
A: Required : Is there a way to quantify Dark Matter ?
Q: What is the acceleration of gravity at the surface if the white dwarf has 1.5 the mass of the sun…
A: Given, Mass of white dwarf, Mw=1.5×Ms=1.5×1.989×1030 kg=2.98×1030 kg, and the radius of the white…
Q: Is the event horizon of a black hole the actual physical surface of the object?
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Q: Will the Higgs-Boson particle create a black hole and destroy the Earth
A: No, it will not create a black hole and certainly not big enough to destroy the earth.
Q: Why primordial black holes are thought to be extinct?
A: Black holes are formed due to the gravitational collapse of massive stars when the fusion inside the…
Q: If a pulsar’s period is 0.05 seconds, how many times does it spin in one day?
A: Given data, Time period of the pulsar = 0.05 seconds
Q: Why black holes are difficult to observe directly?
A: In supernova the collapse of massive stars core form a black hole. In space , a Black hole is a…
Q: The best place to search for black holes is in a region of space that (a) is dark and empty; (b) has…
A: The black holes are the region of intense gravity and formed due to the collapsing of the entire…
Q: An x-ray photon escapes the accretion disk of a black hole of 5 solar masses and a radius of 14.7…
A: As per general relativity due to space-time curvature, the frequency of the photon will reduce as it…
Q: Is there a way to quantify Dark Matter?
A: Required : Is there a way to quantify Dark Matter.
Q: What causes X-ray emissions in a binary system of a star and a black hole?
A: A binary system is two gravitational bodies orbiting each other with a common center of mass. A…
Q: Why haven't we detected any Primordial black holes?
A: Primordial black holes or PBH are black holes that formed soon after the birth of the universe. The…
Q: Assume a neutron star has a mass of about 1.2 times the mass of the Sun and a radius of 7…
A: Given: Mass of neutron star = 1.2 times mass of sun. Radius of neutron star = 7 km. Diameter of…
Q: What is superforce?
A: Super force: Super force may refer to the special theory of electromagnetism, gravity, weak forces…
Q: is gravitational instability
A: Gravitation or just gravity is the force of attraction between any two bodies. All the objects in…
Q: Are there different types of black holes?
A: Since you have posted multiple questions, we will provide the solution only to the first question as…
Q: How can we “observe” a black hole if neither matter nor radiation can escape from it?
A: Given: Black hole
Q: Calculate the mass of a black hole at room temperature.
A: Black holes are regions of space-time where the gravity is very large that nothing, not even light…
Q: an introduction on what is the event horizon of a black holes?
A: The occasion horizon of a black hollow is a essential idea in astrophysics that marks the boundary…
Q: a) Calculate the Schwarzschild radius of a person of mass 80 kg. Compare this to the size of a…
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Q: 28) How accretion disk surrounding the black hole helps in its detection?
A: Black holes are generated when supermassive stars die. The gravitational collapse is so large that…
Q: The first gravity wave was detected by LIGO in Sept 2015. What caused this gravity wave? Group of…
A: LIGO is Laser Interferometer Gravitational-wave Observatory. It is the world's largest gravitational…
Q: How can a black hole be massive but not big?
A: A blackhole is a region in space which have an extremely high gravitational field so that even light…
Q: Most stars exist as a binary system fission reactor quasar…
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What is a black hole?
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