- 1 What is outside our expanding universe?
- 2 Is the universe expanding quickly?
- 3 Does the universe have an end?
- 4 How many universes are there?
- 5 What is the fastest thing in the universe?
- 6 How big is everything in the universe?
- 7 Is space expanding faster than light?
- 8 Where is end of space?
- 9 Who created the universe?
- 10 How long will the universe exist?
- 11 How many dimensions are proven?
- 12 How many Earths are in the multiverse?
- 13 What galaxy do we live in?
What is outside our expanding universe?
When scientists talk about the expanding universe, they mean that it has been growing ever since its beginning with the Big Bang. The galaxies outside of our own are moving away from us, and the ones that are farthest away are moving the fastest.
Is the universe expanding quickly?
This means that for every megaparsec — 3.3 million light years, or 3 billion trillion kilometers — from Earth, the universe is expanding an extra 73.3 ±2.5 kilometers per second.
Does the universe have an end?
The universe, being all there is, is infinitely big and has no edge, so there’s no outside to even talk about. Oh, sure, there’s an outside to our observable patch of the universe. The cosmos is only so old, and light only travels so fast. The current width of the observable universe is about 90 billion light-years.
How many universes are there?
There are still some scientists who would say, hogwash. The only meaningful answer to the question of how many universes there are is one, only one universe.
What is the fastest thing in the universe?
Laser beams travel at the speed of light, more than 670 million miles per hour, making them the fastest thing in the universe.
How big is everything in the universe?
The proper distance—the distance as would be measured at a specific time, including the present—between Earth and the edge of the observable universe is 46 billion light-years (14 billion parsecs), making the diameter of the observable universe about 93 billion light-years (28 billion parsecs).
Is space expanding faster than light?
The quick answer is yes, the Universe appears to be expanding faster than the speed of light. By which we mean that if we measure how quickly the most distant galaxies appear to be moving away from us, that recession velocity exceeds the speed of light.
Where is end of space?
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.
Who created the universe?
A Belgian priest named Georges Lemaître first suggested the big bang theory in the 1920s, when he theorized that the universe began from a single primordial atom.
How long will the universe exist?
22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. False vacuum decay may occur in 20 to 30 billion years if Higgs boson field is metastable.
How many dimensions are proven?
The world as we know it has three dimensions of space—length, width and depth—and one dimension of time. But there’s the mind-bending possibility that many more dimensions exist out there. According to string theory, one of the leading physics model of the last half century, the universe operates with 10 dimensions.
How many Earths are in the multiverse?
Infinite Possibility It’s changed a bit since it was introduced, but the current DC Multiverse states that there are 52 different Earths in existence all occupying the same space but vibrating at different frequencies.
What galaxy do we live in?
We live in one of the arms of a large spiral galaxy called the Milky Way. The Sun and its planets (including Earth) lie in this quiet part of the galaxy, about half way out from the centre.