an introduction on what are black holes and how they are formed?
Q: How does the lighthouse model explain pulsars? in two sentences.
A: Pulsars are spinning neutron stars that emit beams of radiation from their magnetic poles
Q: What is dark matter ?
A: A type of matter hypothesized to account for a large type of mass in the universe it's the dark…
Q: If the Sun were to magically, and instantly, become a black hole; what would happen to the Earth’s…
A: Supernova are basically explosion of star
Q: Calculate the size to which the Sun should shrink to become a blackhole.
A: The limit to which an object can shrink without undergoing gravitational collapse is called…
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: In order to form a black hole, a star must be about how much more massive than our Sun to form a…
A: When star runs out of fuel (i.e. Hydrogen) it starts burning helium. When it runs out of helium too,…
Q: What are gravitational waves? How are the generated? What do they do and how can we detect them?…
A: Given What are gravitational waves, how are they generated, what do they do and how can we detect…
Q: How can black holes lead to parallel universes? And how do black holes lead to parallel universes?
A: The concept of black holes leading to parallel universes is rooted in theoretical physics and the…
Q: (Astronomy) Orbital Period. What is the orbital period of a bit of matter in an accretion disk…
A:
Q: Which of the following is an accurate statement about quasars?
A: ANS: They are abnormally massive, luminous stars at the cores of ancient galaxies.
Q: What characteristics must a binary star have to be a good candidate for a black hole? Why is each of…
A: The characteristic must a binary star posses for it to be a good candidate for black hole is, From…
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: What happens to spacetime at the black hole singularity? Group of answer choices Time slows down and…
A: The problem is based on the concept of spacetime at the black hole singularity. A black hole's…
Q: What is “dark energy”? What is “dark matter”? Why do some scientists think it is everywhere, while…
A: We live in a universe where a lot of space seems to have nothing but a vacuum. A majority portion of…
Q: What is the point of view on the topic of parallel universes and black holes? Using a predominant…
A: The exploration of parallel universes and black holes has captivated the human imagination for…
Q: Match each characteristic below to the appropriate stellar end state. (Select W-White dwarf,…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: What is the concept of dark matter, and what evidence suggests its existence?
A: Introduction:The predictions of the general theory of relativity fall short in explaining the…
Q: What is an accretion disk? Group of answer choices The material left over from black hole mergers.…
A: The problem is based on the concept of the accretion disk. The concept of the accretion disk is…
Q: What’s the history behind gravitational waves?
A: Gravitational waves are 'ripples' in space-time that result from some of the Universe's most…
Q: The first confirmed black hole, Cygnus X-1, was regarded as proof that black holes exist because it…
A: Solution Finding the reason for the first confirmed black hole, Cygnus X-1, was regarded as proof…
an introduction on what are black holes and how they are formed?
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- (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 are the three theories that provide explanations for dark matter. Explain brieflyHow do black holes form, and what are the implications of their existence on our understanding of gravity and the structure of the universe?
- 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 onlyMatch each characteristic below to the appropriate stellar end state. (Select W-White dwarf, N-Neutron star, B-Black hole. If the first is W and the rest N, enter WNNNNNNN). A) Has a mass no greater than 1.4 solar-masses. B) Sometimes appears as a pulsar. C) Size defined by its Schwarzschild radius. D) In a binary system it can explode as a supernova. E) Supported by electron degeneracy pressure. F) Typically about the size of Earth. G) Usually has a very strong magnetic field. H) Viewed from afar, time stops at its event horizon. Answer: Submit All AnswersDescribe Blackholes in Semi-classical physics?
- What is a black hole?What are the evidences for dark matter?What 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.