- Is there a Centre of the universe?
- How many Milky Ways are in the universe?
- Where is Universe located?
- Does space have an end?
- Where is the end of the universe?
- Are there any human bodies in space?
- Does zero gravity exist?
- How close is the Milky Way to the Center of the Universe?
- What is beyond outerspace?
- What is beyond the universe?
- How many universes are there?
- Where is Milky Way in universe?
- What does space smell like?
- Is there a black hole at the center of the universe?
- Who is the creator of universe?
- Does the universe have an end?
- What was before the universe?
Is there a Centre of the universe?
The center of the Universe is a concept that lacks a coherent definition in modern astronomy; according to standard cosmological theories on the shape of the universe, it has no center.
Historically, different people have suggested various locations as the center of the Universe..
How many Milky Ways are in the universe?
It is estimated to contain 100–400 billion stars and at least that number of planets. The dark matter halo around the Milky Way may span as much as 2 million light years….Milky Way.Observation dataSpiral pattern rotation period220–360 MyrBar pattern rotation period100–120 MyrSpeed relative to CMB rest frame552.2±5.5 km/s12 more rows
Where is Universe located?
Where is the centre of the universe? There is no centre of the universe! According to the standard theories of cosmology, the universe started with a “Big Bang” about 14 thousand million years ago and has been expanding ever since. Yet there is no centre to the expansion; it is the same everywhere.
Does space have an end?
No, they don’t believe there’s an end to space. However, we can only see a certain volume of all that’s out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn’t had time to reach us yet, so we have no way of knowing such a galaxy exists.
Where is the end of the universe?
The implication though, is that there is no “edge”; there is no place to go where the universe just ends and one could look in some direction and see what’s beyond it. One analogy often used to describe this edgeless universe is the surface of a balloon.
Are there any human bodies in space?
The only humans known to have died of exposure to vacuum in space are the three crew-members of the Soyuz 11 spacecraft; Vladislav Volkov, Georgi Dobrovolski, and Viktor Patsayev.
Does zero gravity exist?
The sensation of weightlessness, or zero gravity, happens when the effects of gravity are not felt. Technically speaking, gravity does exist everywhere in the universe because it is defined as the force that attracts two bodies to each other. But astronauts in space usually do not feel its effects.
How close is the Milky Way to the Center of the Universe?
about 100,000 light yearsThe Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. The Sun does not lie near the center of our Galaxy. It lies about 8 kpc from the center on what is known as the Orion Arm of the Milky Way.
What is beyond outerspace?
If by outer space you mean all that surrounds the Earth and stretches into all directions as far as people can see, then you’re talking about what astrophysicists call the universe. For there to be anything outside of the universe supposes that it has an edge, which is a problematic supposition for physicists.
What is beyond the universe?
In our own backyard, the Universe is full of stars. But go more than about 100,000 light years away, and you’ve left the Milky Way behind. Beyond that, there’s a sea of galaxies: perhaps two trillion in total contained in our observable Universe.
How many universes are there?
The multiverse. If we define “universe” as “all there is” or “all that exists,” then obviously, by definition, there can be only one universe. But if we define “universe” as “all we can ever see” (no matter how large our telescopes) or “space-time regions that expand together,” then many universes may indeed exist.
Where is Milky Way in universe?
Well, Earth is located in the universe in the Virgo Supercluster of galaxies. A supercluster is a group of galaxies held together by gravity. Within this supercluster we are in a smaller group of galaxies called the Local Group. Earth is in the second largest galaxy of the Local Group – a galaxy called the Milky Way.
What does space smell like?
When astronauts return from space walks and remove their helmets, they are welcomed back with a peculiar smell. An odor that is distinct and weird: something, astronauts have described it, like “seared steak.” And also: “hot metal.” And also: “welding fumes.” … Space, Jones elaborated, smells a little like gunpowder.
Is there a black hole at the center of the universe?
The nature of galaxy formation suggests that the answer is yes, and in fact, pairs of supermassive black holes should be common in the universe. … The supermassive black hole that lurks at the center of our galaxy, called Sgr A*, has a mass of about 4 million times that of our Sun.
Who is the creator of universe?
In the new work, The Grand Design, Professor Stephen Hawking argues that the Big Bang, rather than occurring following the intervention of a divine being, was inevitable due to the law of gravity. In his 1988 book, A Brief History of Time, Hawking had seemed to accept the role of God in the creation of the universe.
Does the universe have an end?
As the energy density, scale factor and expansion rate become infinite the universe ends as what is effectively a singularity.
What was before the universe?
Initial singularity. The initial singularity is a gravitational singularity predicted by general relativity to have existed before the Big Bang and thought to have contained all the energy and spacetime of the Universe.