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Cosmology

Cosmology is the area of physics that studies the universe in and of itself. Through the use of incredible and ingenious methods of experimentation, cosmologists attempt to discover how the universe began, how it is developing, and how or if it will end. Questions regarding the Big Bang, dark matter, dark energy, the cosmic background radiation, and the initial formation of the fundamental particles can be placed into this category.

776 Questions

What is gravity distortion?

Gravity bends space, and because light travels through space gravity distorts light. Actually, gravity warps spacetime, so just as space is bent, so is time. Gravity thus distorts both space and time.

Are the walls that blocked the worlds in Kingdom Hearts Galaxy filaments?

Yes, it is the walls that blocked the world's in the Kingdom Hearts Galaxy filaments.

What language did people have to understand the universe?

They need a deep knowledge of astronomy, cosmology, physics, mathematics, chemistry.

How are stars dust and gas similar to dark matter?

The only similarity we know of is that they all seem to interact with gravity. Aside from that, scientists do not know what dark matter is.

Will the big bang ever happen again?

The Big Bang refers to the event that created the universe. It is not expected to happen again as the universe is already expanding and evolving from that initial event. However, there are theories like the Big Crunch or Big Rip which describe possible future scenarios for the universe.

How would the universe be different if massive stars did not explode at the end of their lives?

If massive stars did not explode at the end of their lives, they would instead collapse into black holes or neutron stars. This would have implications for the dispersal of heavy elements in the universe, as supernovae play a key role in enriching the cosmos with elements beyond hydrogen and helium. It would also impact the evolution of galaxies and the dynamics of stellar populations.

Write z equals 3i in abbreviated trigonometric form?

z = 3i

r=3

theta=taninverse(3/0)=undefine

as we know tan theta is undefine at 90 and 270....check through qustion ..their is + sign with imag part....its mean angle is 90

so we write it as

3(cos90 + isin90)

Who are the personalities that gave proof to big bang theory?

Big Bang Cosmology (BBC), first proposed by Jesuit priest George LeMaitre, makes specific predictions about what we will observe if we look. If one of the things predicted was NOT found, then BBC would most likely be rejected.

It's the same thing that happened with a heliocentric solar system -- if Galileo Galilei had found that Venus did NOT have phases, then he would have rejected the idea that our Earth goes around our Sun. However, because every prediction made by a heliocentric system has been found, but none contradicting it, then all intelligent people agree with a heliocentric system.

Edwin Hubble looked for, and found, the red-shift predicted by BBC.

Arno Penzias & Robert Wilson discovered -- completely by accident -- the Cosmic Microwave Background Radiation.

The ratio of hydrogen to helium, and to other light elements, has been an ongoing research problem involving dozens of scientists.

That quasars are always distant from us has, similarly, been an ongoing study for many scientists.

What force caused celestial bodies to orbit?

None, the universe came into existence in the Big Bang very slightly spinning and every part of the universe is spinning. When a cloud of matter collapses to form galaxies, stars, solar systems, planets, etc. the local rate of spin increases. This not only makes the bodies themselves spin but it makes planets orbit stars in solar systems, stars and solar systems orbit inside galaxies, galaxies orbiting clusters of galaxies, etc.

Where is the central store of information data in Universe?

EMC is a big data company that stores information for the Digital Universe. It's head quarters is in the United States.

How is scientific data used as evidence to develop scientific theories to describe the origin of the universe?

Scientific data, such as observations from telescopes and particle accelerators, are used to develop and refine scientific theories that describe the origin of the universe, such as the Big Bang theory. By comparing these observations with predictions made by theories, scientists can gain a better understanding of the processes that occurred during the early universe. This iterative process of collecting data and adjusting theories based on evidence helps to build a more accurate and comprehensive picture of the origin of the universe.

What do you think of a dimension having no space - matter - or time?

A dimension without space, matter, or time would be purely theoretical and difficult to comprehend since our understanding of the universe is based on these fundamental concepts. It would challenge our current understanding of reality and would likely lead to a complete reevaluation of existing scientific theories.

What actually is the big rip theory?

The Big Rip is one of the hypotheses for the end of the Universe. It has been observed that the expansion of the Universe is actually accelerating rather than slowing down. Based on this some scientists think the Universe will expand so fast that the fundamental forces, including gravity, will be overwhelmed and everything in the Universe will be "ripped apart". In other words, matter will disintegrate, and even spacetime may be destroyed, causing the Universe to cease to exist altogether. The Big Rip would not happen in an instant. Rather as the Universe expands it will go through a process of disintegration in which every stucture, from the largest galaxies to the smallest subatomic particles, will break down.

The fate of the Universe depends on whether gravity or dark energy will win the "war". In the Big Rip hypothesis, dark energy accelerates the expansion of the Universe and overcomes gravity. If gravity "won" the opposite of the Big Rip would occur: the Big Crunch.

How is the term 'parallel universe' defined?

A parallel universe would be another region of our space-time with its own matter-energy configuration and its own physical laws and constants. In the hypothetical multiverse there could be an infinite number of them existing alongside our universe. This means there could be infinite copies of each one of us living out our lives in infinitely different ways!

Why did aquinas refute the big bang theory?

Thomas Aquinas was entirely unaware of the big bang hypothesis. Aquinas was a 13th century Sicilian monk, while the big bang concept was first developed in the early 1960s. So, he would not have been able to refute it.

Are there 100 cenquinsexagintillion universes in the multiverse?

Yes, there are 100 cenquinsexagintillion or more universes (with 100 billion+ galaxies in each one) in the multiverse.

What is the connection between gravity and dark matter?

When the total amount of mass in a galaxy is computed, and the total amount of gravity is calculated there is a discrepancy. There appears to be more matter in the galaxy than what can be observed. Dark matter was theorized as being matter that exists but does not interact with electromagnetic radiation. Because of this, it cannot be seen. That is why it is called dark matter.

What are the Lanes Between in Kingdom Hearts?

The lanes between in the Kingdom Hearts is referred to as the roads.

Are the 8 planets luminious body?

The sun is the only natural luminous body within the visible light range of the electromagnetic spectrum in our solar system, except for magma volcanoes on Earth and Venus. We see the planets only because they reflect sunlight.

What is the GUT theory?

The GUT theory is a theory that combines three of the four fundamental forces together. The three fundamental forces are the strong nuclear force, weak nuclear force, and electromagnetic force. This theory explains the connection between these forces and if gravity was able to connect with these forces, then we have the TOE (Theory of Everything).

What are the names of Neptune's moons in order of discovery?

14 moons as of 2013,starting with nareid,apoapsis,periapsis,proteus,naiad,thalassay,despina,galatia,larissa, triton being the largest , and the new smallest s 2004n/1.

Is our universe a simulated reality?

It could be, at the moment we have no way of telling.

Why was the Big Bang neither big nor did it bang?

According to the believes of physics and the big bang, we know that the big bang was both big and a bang. Since we are still receiving radiation from the big bang, So considering that factor I would say that it was big and a bang. What do you believe?