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: 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: 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: 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: 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: 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: 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: Most stars exist as a binary system fission reactor quasar…
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What is a black hole?
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- What is the orbital period of a bit of matter in an accretion disk 2 x105 km from a 10-solar-mass black hole?The density of a ________________ is greater than the density of a _________________. a. white dwarf; neutron star b. neutron star; black hole c. pulsar; neutron star d. pulsar; white dwarf e. white dwarf; black hole(Astronomy) Schwarzschild Radius. Part A: Find the Schwarzschild radius for the least massive black hole. Part B: Is your calculated value greater than, the same as, or smaller than the diameter of a typical neutron star and the diameter of Manhattan, New York, which is around 10.9 km?
- Sn1604 a supernova in the year 2000 the age then was 396 years calculate the speed of expansion of the sn1604 Kepler’s supernova assuming it has expanded at a constant speed throughout its lifetimean introduction on what are black holes and how they are formed?What is the distance in light years (ly) to Alkaid? 12 ly 104 ly 55 ly 4 ly