Dark Matter vs Ether: What's the Difference? - Physics Forums
Jul 18, 2008 · Could just as meaningfully call "dark matter" and "dark energy" the "new theory of ether". The denotation is the same, only the connotations differ. Guess it bugs me somewhat that "dark matter" and "dark energy" are talked about as though real and some sort of answer, when so far as I call tell all we have is the question.
Dark Energy, Dark Matter and the Speed of Light - Physics Forums
Nov 28, 2022 · 4. How do scientists study dark energy and dark matter? Scientists study dark energy and dark matter through a variety of methods, including observing the effects of their gravitational pull on visible matter, studying the large-scale structure of the universe, and using sophisticated instruments such as the Large Hadron Collider. 5.
Black Holes vs. Dark Energy: Who Holds More Power? - Physics …
Aug 12, 2009 · 5. How are black holes and dark energy related? Black holes and dark energy are not directly related. However, black holes are affected by dark energy as they are also subject to the expansion of the universe. Additionally, dark energy may play a role in the formation and evolution of black holes, but this is still a topic of ongoing research.
Exploring the Nature of Space Expansion: Self-Expansion vs Dark …
Apr 2, 2012 · The two main theories explaining space expansion are self-expansion and dark energy. Self-expansion suggests that space itself is expanding due to the energy and matter within it. Dark energy, on the other hand, is a theoretical force that is thought to be responsible for the accelerating expansion of the universe. 3.
Dark Matter vs Modified Gravity: Uncovering New Theories
Apr 14, 2017 · FAQ: Dark Matter vs Modified Gravity: Uncovering New Theories 1. What is dark matter? Dark matter is a hypothetical form of matter that is thought to make up approximately 85% of the total matter in the universe. It cannot be observed directly, but its presence is inferred through its gravitational effects on visible matter. 2.
Zero-point energy, dark energy and space - Physics Forums
Apr 16, 2010 · The zero-point energy is the lowest energy state of a quantum system, while dark energy is a means by which astronomers account for the apparent deviation in the mass of the Universe. The idea of an ether, specifically the luminous aether, has been abandoned in modern physics due to its complexity and lack of evidence.
Is Dark Energy the Same as Vacuum Energy? - Physics Forums
May 26, 2012 · Vacuum energy is a concept in quantum mechanics that describes the energy of empty space, while dark energy is a theoretical form of energy that is believed to be responsible for the accelerated expansion of the universe. 3. How was dark energy discovered? Dark energy was first discovered in 1998 through observations of distant supernovae.
Hubbles vs. Dark Energy: Debunking the Mystery of Galaxy …
Jul 5, 2010 · Hubbles and dark energy are two separate concepts that are related to the expansion of the universe. Hubbles refers to the rate of expansion, while dark energy is a theoretical form of energy that is thought to be responsible for this expansion. In other words, Hubbles is a measurement while dark energy is a theoretical explanation for the ...
Local Void vs Dark Energy Confrontation with WMAP and SNIa
Dec 3, 2007 · FAQ: Local Void vs Dark Energy Confrontation with WMAP and SNIa What is a Local Void? A Local Void is a large, nearly empty region of space that is relatively devoid of galaxies and other matter. What is Dark Energy? Dark Energy is a hypothetical form of energy that is thought to make up the majority of the universe.
Does dark matter travel faster than light? - Physics Forums
Jun 1, 2019 · Now, imagine dark matter has the same energy as a photon - it can therefore travel faster than the speed of light. As we know, traveling at or near the speed of light, mass increases. Due to traveling faster than light, dark matter has a higher than usual mass in relation to its resting mass, thus accounting for the large 'missing' mass around ...