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What is a theory that has never been proven?
One example of a theory that has never been proven is the existence of dark matter. While it is widely accepted in the scientific community due to its ability to explain certain astronomical phenomena, such as galaxy rotation curves and gravitational lensing, direct detection of dark matter particles has yet to be achieved. Various experiments and observations continue to search for evidence, but the true nature of dark matter remains elusive and unproven.
What does dark energy mean?
Dark energy is the term used to describe the hypothetical type of energy rationalized to account for the inflationary expansion of the universe. Similar to the Einstien's cosmological constant, which Einstein invented to account for the discrepancies of a static universe, the is no direct empirical evidence of its physical nature or form. According to the Planck mission team, and based on the standard model of cosmology, the total mass–energy of the universe contains 4.9% ordinary matter, 26.8% dark matter and 68.3% dark energy.Although the existence of dark matter is generally accepted by the mainstream scientific community, there is no generally agreed direct detection of it. Two proposed forms for dark energy are Einstein's cosmological constant, a constant energy density filling space homogeneously, and scalar fields such as quintessence or moduli, dynamic quantities whose energy density can vary in time and space. Due to a lack of empirical evidence, there are no theoretical conjectures for the formation of dark energy as part of the Big Bang event.Dark matter is the term used to describe the hypothetical type of non-baryonic matter rationalized to account for discrepancies between the mass of large astronomical objects, determined from their gravitational effects, and the mass calculated from the "luminous matter" that they contain: i.e. stars, gas and dust. Since there are no empirical evidence to support dark matter, by process of elimination, based in part on the calculations consistent with general relativity, dark matter is estimated to constitute 84.5% of the total matter in the universe.Although the existence of dark matter is generally accepted by the mainstream scientific community, there is no generally agreed direct detection of it. Other theories including MOND and TeVeS, are some alternative theories of gravity proposed to try to explain the anomalies for which dark matter is intended to account. Due to a lack of empirical evidence, there are no theoretical conjectures for the formation of dark matter as part of the Big Bang event.Other Opinion: From an alternate perspective, dark energy is thought to be the original medium of a pre-Big Bang universe. Consequently the Big Bang creation event, via an unfolding of its condition from singularity, introduce the intrusion of our existence: a reality of positive density matter within a traditional fourth dimensional SpaceTime continuum. Considering a pre-Big Bang universe as zero density matter, the intrusion of positive density matter simultaneously provided for introduction of negative density matter (or dark matter). The resulting effect of bringing the universe back into the more ordered condition consistent with its pre-Big Bang persistence is the expanding of the positive density matter within our fourth dimensional universe.Other Comment: Dark energy is the force that expands the universe. Dark matter is the force that keeps everything from crashing into one an other.Dark matter is what keeps galaxies together for example if you pour beads (representing stars planets etc) in a tub they spread out but if you get a fan (representing dark matter) it is possible to blow all the beads to one side dark matter is pushing certain thing together and also separating galaxies apart so in between galaxies there is dark matter. 80% of the universe is estimated to be dark matter. for a more detailed answer go to this site on the link below.Dark energy the big bang was an explosion of sorts and after an explosion it collapses back on it self but the universe isn't its spreading out faster than light which will eventually cause the big rip dark energy is pulling every thing out ward and is faster than light however we have no clue how big the thing dark energy is spreading us into is ...
How do you identify the water carrying cells in a stalk of celery?
They are a different shape and have a dark premiter!
What causes the dark bands observed in a solar spectrum?
The dark bands are caused from the differnet chemical elements which absorb light at specific wavelengths.
Why are you likely to find dark brown soil in a forest?
you are likely because it is organic matter formed from decayed plant and animal remain ,and is called humus.
Is gravity dark matter?
Gravity is not matter (dark or light), it is a property of mass and space that results in forces. Matter and force are entirely different things.
Could dark matter consist of black holes?
Dark matter is a mysterious substance that makes up a large portion of the universe's mass, but its exact nature is still unknown. While some theories suggest that dark matter could potentially be made up of black holes, this idea is not widely accepted among scientists. More research and evidence are needed to determine the true nature of dark matter.
What is the temperature of dark matter?
At present we do not know. It might be almost motionless, it might have a high velocity, it might have a velocity near that of light. These three hypotheses of the nature of dark are called (respectively); cold dark matter, warm dark matter, and hot dark matter.
Littlebigplanet dark matter what is it?
Dark matter and Light matter. They are tweakable, anti-gravity materials. Dark matter and light matter have the same effects but just look different. Very useful for creating floating platforms so it is best to use them in a platformer.
A theoretically mysterious matter different from known matter that can't be seen but with gravitational effects is known as?
Dark matter.
Are all black holes made of dark matter?
No, dark matter is quite a different kind of thing. A dark hole may have absorbed some dark matter, but pressumably that would become indistinguishable from the normal matter, once it gets crushed by the enormous gravity of the black hole.
Does dark matter co exist with black hole?
Hypothetically Yes - But then dark matter is expected to be very pervasive in the cosmos, and pretty much associated with normal matter. The prevailing hypothesis is that dark matter presence is accumulated consistent mass density; i.e. the more mass density, the greater the accumulation of dark matter. However, important as dark matter is thought to be in the cosmos, direct evidence of its existence and a concrete understanding of its nature have remained elusive.
Would dark matter be considered dark magic?
No, the two are completely unrelated; even the word "dark" has different meanings in each case.
Is it true that man's scientific pursuit has made him an undisputed master over the forces of nature?
No, it is not true. There are several areas where our knowledge is deficient. For example, the actual nature of Gravity, or what is the nature of Dark Matter.
When was Dark Nature created?
Dark Nature was created in 2009.
What is the nature of dark matter, a mysterious substance that has no definite shape or volume?
Dark matter is a mysterious substance that makes up a large portion of the universe's mass, but does not emit light or energy. Its exact nature is unknown, but it is believed to be made up of particles that do not interact with light, making it invisible and difficult to detect.
Are animals nature?
It means the remains of dead animals. Similarly, plant matter is the remains of dead plants.
