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 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 Answers
- an introduction on what are supermassive black holes?What is a black hole?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.