Can someone explain the dark matter hypothesis?

Can someone explain the dark matter hypothesis?
by

1 Answer

Answer :

Coincidentally, I watched “The Theory of Everything” yesterday, a wonderfully acted bioflick about Stephen Hawking. It motivated me to start reading his book, ”“A Brief History of Time,” which covers dark matter and many other time-space ideas. I have an extra copy, if you’d like me to send it to you.
by

Related questions

Can dark matter be explained by the supermassive black holes found in almost every galaxy?

Description : Can dark matter be explained by the supermassive black holes found in almost every galaxy?

Last Answer : answer:also, Dark Matter has existed in the universe since early times.. and new evidence proves that so have the black holes… infact, development of galaxies occurred by accretion of cosmic dust around blackholes… and same thing has been said about the dark matter here..

Can this be the explanation for dark energy?

Description : Can this be the explanation for dark energy?

Last Answer : Not really, because that does not explain the fact that the expansion of the universe is accelerating.

Stephen Hawking is no more. Anything you would like to say for a great personality like him?

Description : Stephen Hawking is no more. Anything you would like to say for a great personality like him?

Last Answer : I believe I have a few words to say, sir. Just look at that face. The face of a thinker. A warrior. A man for all seasons. Yes, Stephen Hawking was all that and more. But he was not perfect. ... to know him. Those who knew him, loved him, while those who did not know him, loved him from afar.

Astrophysics question: Are zero braking distance collisions and infinitive forces possible?

Description : Astrophysics question: Are zero braking distance collisions and infinitive forces possible?

Last Answer : No, it is not. F=m*a, where a is acceleration expressed in m/s/s. zero braking distance also means zero deceleration time. deceleration is negative acceleration. So zero deceleration time turns it into m/s/0. Division by zero.

Can a black hole overeat?

Description : Can a black hole overeat?

Last Answer : I don’t know, lets go ask Beyonce ;¬}

If the universe is infinite than how can it be expanding?

Description : If the universe is infinite than how can it be expanding?

Last Answer : I think the people who came up with that idea think that the contents of the universe are expanding, but not the universe itself. I could be wrong though, just a guess.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a form of matter that is believed to account for approximately 85% of the matter in the universe, but does not emit, absorb, or reflect light, and is an important concept in astrophysics and cosmology.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a type of matter that is hypothesized to exist in the universe and accounts for a significant portion of the total matter, but does not interact with light or other forms of electromagnetic radiation, and is an important concept in cosmology.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a hypothetical form of matter that is thought to make up approximately 85% of the matter in the universe, but does not interact with light or other forms of electromagnetic radiation, and its properties are still not well understood.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a hypothetical type of matter that is thought to make up about 85% of the matter in the universe, but does not interact with light or other forms of electromagnetic radiation, and its existence is inferred from its gravitational effects on visible matter.

What is dark matter halo?

Description : What is dark matter halo?

Last Answer : A dark matter halo is a theoretical structure surrounding a galaxy or other astronomical object, consisting of a large amount of dark matter and thought to contribute significantly to the gravitational lensing observed around such objects.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a type of matter that does not interact with light or other forms of electromagnetic radiation, but is inferred to exist from its gravitational effects on visible matter in the universe.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a type of matter that does not interact with light or other forms of electromagnetic radiation, but is inferred to exist from its gravitational effects on visible matter in the universe.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a hypothetical form of matter that is thought to make up approximately 85% of the matter in the universe, but does not interact with light or other forms of electromagnetic radiation, making it difficult to detect.

What is dark matter?

Description : What is dark matter?

Last Answer : Dark matter is a hypothetical form of matter that is thought to make up approximately 85% of the matter in the universe, but does not interact with light or other forms of electromagnetic radiation, making it difficult to detect.

Is it possible that the aether is actually dark matter , and dark energy?

Description : Is it possible that the aether is actually dark matter , and dark energy?

Last Answer : Well since “aether” was just another term for outer space they were right. Light does travel through the aether.

In simple terms, why are scientists so convinced that most of the universe is made up of dark matter and dark energy?

Description : In simple terms, why are scientists so convinced that most of the universe is made up of dark matter and dark energy?

Last Answer : answer:Yeah, it's confusing stuff. Dark matter is present practically everywhere, we know it is there because something with force is acting upon things, we can prove this, and the only logical ... energy compared to regular energy, its basically just what we can measure, and what we can't.

What do you think Dark Matter really is-?

Description : What do you think Dark Matter really is-?

Last Answer : answer:Yeah, the LArge Hadron Colider. Dark matter makes up 95 percent of everything. We know it exists because it has mass and has gravity, but we can’t provide a visual of it or show you where it is.

What is dark matter? -Space

Description : What is dark matter? -Space

Last Answer : Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass-energy density or about 2.241 10−27 kg/m3. Most ... thought to be non-baryonic in nature; it may be composed of some as-yet undiscovered subatomic particles.

Is there any difference between antimatter, dark matter, dark energy, and degenerate matter? -Other

Description : Is there any difference between antimatter, dark matter, dark energy, and degenerate matter? -Other

Last Answer : Matter is the stuff you are made of. Antimatter is the same as matter in every way, looks the same, behaves the same, except its particles have electrical charges opposite to matter. E.g., our ... it seems like there's something like 5x to 6x more dark matter out there compared to regular matter.

What is Dark Matter ?

Description : What is Dark Matter ?

Last Answer : Dark Matter is an important subject in theoretical physics. Dark matter is thought to be responsible for about four-fifths of the mass of the universe . Using data from GPS satellites, it is known ... is correct , it will be possible to unravel the mystery surrounding the long-standing Dark Matter.

Why do we think that dark matter exist?

Description : Why do we think that dark matter exist?

Last Answer : Because - scientists have estimated that the mass of theuniverse should be more than it apparently is. Ttherefore the onlylogical explanation to explain the difference is 'dark matter'(until they find something more 'concrete' to provide ananswer.!

Could you walk through a wall made up of dark matter?

Description : Could you walk through a wall made up of dark matter?

Last Answer : No one knows.

What evidence do astronomers have that there is dark matter in the universe?

Description : What evidence do astronomers have that there is dark matter in the universe?

Last Answer : What is the answer ?

Could you walk through a wall made up of dark matter?

Description : Could you walk through a wall made up of dark matter?

Last Answer : No one knows.

Is dark matter inside a black hole?

Description : Is dark matter inside a black hole?

Last Answer : It is currently unknown as scientists do not even know what dark matter is.

What's the dark matter in the universe?

Description : What's the dark matter in the universe?

Last Answer : Dark matter is matter of an unknown type. It is known to exist, due to its gravitational influence, but it is not known what it is made of. There is at least 5 times as much dark matter than "normal" matter.

Could dark matter be a type of strange matter?

Description : Could dark matter be a type of strange matter?

Last Answer : No it is not

What are the properties of dark matter?

Description : What are the properties of dark matter?

Last Answer : Mainly that dark matter interacts with dark matter and with normal matter via the gravitational force; and that it DOES NOT interact with normal matter via any other known force. Or, if there is any interaction, it does so to such a small extent that it hasn't been possible to detect this so far.

The large dark patches on the Moon’s surface are known as------? A. Dark matter B. Maria, or seas, even though there is no water on the Moon (Answer) C. Maria, or seas, because they are filled with water

Description : The large dark patches on the Moon’s surface are known as------? A. Dark matter B. Maria, or seas, even though there is no water on the Moon (Answer) C. Maria, or seas, because they are filled with water

Last Answer : B. Maria, or seas, even though there is no water on the Moon (Answer)

Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and laminated clays c) Soils containing carbon of coal underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Description : Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and ... underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Last Answer : a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering*

Research that is done to examine the findings of someone else using the "same variables but different people” is which of the following? a. Exploration b. Hypothesis c. Replication d. Empiricism

Description : Research that is done to examine the findings of someone else using the "same variables but different people” is which of the following? a. Exploration b. Hypothesis c. Replication d. Empiricism

Last Answer : c. Replication

Explain the collision and accretion I hypothesis associated with the evolution of the earth. -Geography

Description : Explain the collision and accretion I hypothesis associated with the evolution of the earth. -Geography

Last Answer : Collision hypothesis and accretion hypothesis are described below in short. 1. Collision Hypothesis: It was given by Sir James and Harold Jeffrey. According to this theory, a large nebula 'wandering ... rocky inner planets like Mercury, Venus, Earth and Mars and the remaining were outer planets.

How Harry hess's hypothesis explain seafloor movement?

Description : How Harry hess's hypothesis explain seafloor movement?

Last Answer : Harry hess' hypothesis was hot/less dense material rises up theEarth's crust toward the mid-ocean ridges. When the seafloor breaksapart, magma is forced upward and through the cracks. It cools, ... it moves away from the mid-oceanridge, it becomes denser and sinks. This helps form ridges.

What is the hypothesis scientists use to explain the movement of tectonic plates?

Description : What is the hypothesis scientists use to explain the movement of tectonic plates?

Last Answer : What is the answer ?

What is the problem with a hypothesis that can and rsquot be tested Explain your answer?

Description : What is the problem with a hypothesis that can and rsquot be tested Explain your answer?

Last Answer : What is the answer ?

What hypothesis do science tests used to explain the movement of tectonic plates?

Description : What hypothesis do science tests used to explain the movement of tectonic plates?

Last Answer : What is the answer ?

How did harry h Hess hypothesis explain seafloor movement?

Description : How did harry h Hess hypothesis explain seafloor movement?

Last Answer : What is the answer ?

The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Description : The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Last Answer : Answer : C

What is an example of a hypothesis which may explain why there is not a big representation of the class Reptilia found in polar regions?

Description : What is an example of a hypothesis which may explain why there is not a big representation of the class Reptilia found in polar regions?

Last Answer : Beings of the class Reptilia are abundant and more diverse in hot climate regions and they are rare in intensely cold regions like close to the earth poles. This is explained because these animals are ... active during the day, a period when they can use the sun heat to warm their bodies.

What is the difference between a hypothesis and a theory?

Description : What is the difference between a hypothesis and a theory?

Last Answer : A hypothesis is a testable explanation for a phenomenon that is based on previous observations or knowledge. A theory is a well-established and widely accepted explanation for a natural phenomenon that has been extensively tested and supported by evidence.

What is a hypothesis?

Description : What is a hypothesis?

Last Answer : A hypothesis is a testable explanation for a phenomenon that is based on previous observations or knowledge.

What is a hypothesis?

Description : What is a hypothesis?

Last Answer : A: A hypothesis is a proposed explanation or prediction for a phenomenon, based on prior observations and knowledge.

Does a Riemann like hypothesis exist for 10 dimensions?

Description : Does a Riemann like hypothesis exist for 10 dimensions?

Last Answer : The Riemann Hypothesis has to do with the distribution of prime numbers and has nothing to do with other dimensions as far as I know.

What do you think about this hypothesis about the Disney movie "Beauty and the Beast"?

Description : What do you think about this hypothesis about the Disney movie "Beauty and the Beast"?

Last Answer : answer:Two points. It's plausible. As plausible as anything else that anyone writes about Disney films. For years there have been many articles that look for hidden meanings and symbols in Disney classics, so ... @ragingloli back to your question. It's plausible, there is some logic to it. So what.

Any hypothesis as to what the hell is going on in my house?

Description : Any hypothesis as to what the hell is going on in my house?

Last Answer : Branches blowing against roof?

How would a 'non scientist' propose a hypothesis in such a way that it would be considered and tested by scientists?

Description : How would a 'non scientist' propose a hypothesis in such a way that it would be considered and tested by scientists?

Last Answer : Are you seeking funding? Is that why you want to present the idea? Or, are you seeking help with setting up the experiment?

After 12/21/12, which date will be the subject of the next end-of-the-world hypothesis?

Description : After 12/21/12, which date will be the subject of the next end-of-the-world hypothesis?

Last Answer : answer:This idea of predicting the end of the world is quite interesting as it is something we are fascinated with, as can be seen by the OMG nature of December 21st. Most of them are now linked ... has vanished over night, then I will add another answer here heavily editing what I have just said.

Hypothesis for general biology...?

Description : Hypothesis for general biology...?

Last Answer : answer:Forgive me if I'm incorrect, but aren't hypotheses generally formulated before the experiment is carried out? You already have results according to your lab experiment (though how you can have ... . Some further details would be useful. What are you supposed to be doing for the experiment?

Is it a theory or hypothesis that petroleum comes from dinosaurs and ancient plants?

Description : Is it a theory or hypothesis that petroleum comes from dinosaurs and ancient plants?

Last Answer : answer:It's largely false. Petroleum comes mostly from ancient plankton. And that' s not a theory, because in science a theory is proven idea that ties together a large number of facts ... organisms. We know how the molecules that make up these organisms' bodies decompose and become compress.