- What is at the end of universe?
- Is the universe infinite?
- Are there other universes?
- Does the Galaxy have an end?
- Does the universe have a beginning and an end?
- How old is our world?
- Is it possible to go back in time?
- How long till the universe ends?
- Who created God?
- Does Infinity exist in reality?
- Is time an illusion?
- Can space travel faster than light?
- Where does space end?
- Will a black hole hit Earth?
What is at the end of universe?
The expansion slows, the Universe reaches a maximum size, and recollapses, ending in a Big Crunch.
The expansion rate drops but never reaches zero; the Universe expands forever and ends in a Big Freeze..
Is the universe infinite?
The universe is unquestionably huge. … The observable universe is still huge, but it has limits. That’s because we know the universe isn’t infinitely old — we know the Big Bang occurred some 13.8 billion years ago. That means that light has had “only” 13.8 billion years to travel.
Are there other universes?
Together, these universes comprise everything that exists: the entirety of space, time, matter, energy, information, and the physical laws and constants that describe them. The different universes within the multiverse are called “parallel universes”, “other universes”, “alternate universes”, or “many worlds”.
Does the Galaxy have an end?
The distance between all its galaxies, planets, and stars is stretching all the time, like dots on a rubber band. It never ends, but it’s also constantly expanding. Scientists don’t think there is a true edge of the universe. … The farther away the star, the longer it takes.
Does the universe have a beginning and an end?
The usual story of the Universe has a beginning, middle, and an end. It began with the Big Bang 13.8 billion years ago when the Universe was tiny, hot, and dense. … The universe carried on expanding and cooling, but at a fraction of the initial rate.
How old is our world?
4.543 billion yearsEarth/Age
Is it possible to go back in time?
The Short Answer: Although humans can’t hop into a time machine and go back in time, we do know that clocks on airplanes and satellites travel at a different speed than those on Earth. … NASA’s space telescopes also give us a way to look back in time. Telescopes help us see stars and galaxies that are very far away.
How long till the universe ends?
200 billion yearsVacuum decay might already have begun in some distant place. We won’t see it coming. Not to worry, though. As Mack counsels, whatever it looks like, the end probably won’t be nigh for at least 200 billion years.
Who created God?
Defenders of religion have countered that the question is improper: We ask, “If all things have a creator, then who created God?” Actually, only created things have a creator, so it’s improper to lump God with his creation. God has revealed himself to us in the Bible as having always existed.
Does Infinity exist in reality?
Although the concept of infinity has a mathematical basis, we have yet to perform an experiment that yields an infinite result. Even in maths, the idea that something could have no limit is paradoxical. For example, there is no largest counting number nor is there a biggest odd or even number.
Is time an illusion?
According to theoretical physicist Carlo Rovelli, time is an illusion: our naive perception of its flow doesn’t correspond to physical reality. … He posits that reality is just a complex network of events onto which we project sequences of past, present and future.
Can space travel faster than light?
The restriction that “nothing can move faster than light” only applies to the motion of objects through space. The rate at which space itself expands — this speed-per-unit-distance — has no physical bounds on its upper limit.
Where does space 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.
Will a black hole hit Earth?
There are no black holes close enough to Earth to affect us. … This black hole is 6.6 times more massive than our Sun. (That means it has a lot of mass, which means it has a really strong gravitational pull – much stronger than even our Sun’s gravitational pull.)