- What is beyond the observable universe?
- What is beyond the end of the universe?
- Will we ever travel at light speed?
- Does space have a smell?
- Does the universe repeat itself?
- What’s inside a black hole?
- Is there an edge of universe?
- Does time ever end?
- Is nothingness possible?
- Do we live in a multiverse?
- How long would it take to travel to the edge of the Milky Way?
- Does the universe have an end?
- What’s past the edge of the universe?
- Can the universe be infinite?
- Is space still expanding?
- Will humans ever achieve interstellar travel?
- What’s at the end of space?
- What is the edge of the universe called?
- What was before the universe?
- Can we travel faster than light?
- How long till the universe ends?
- Who created universe?
What is beyond the observable universe?
A lot more universe exists beyond what we are able to observe.
According to the theory of cosmic inflation, the entire universe’s size is at least 10^23 times larger than the size of the observable universe.
Ultra Deep Field via Hubble/NASA.
That’s a lot of universe that we are missing..
What is beyond the end of the universe?
Beyond the Hubble Volume. Astronomers think space might be infinite, with “stuff” (energy, galaxies, etc.) distributed pretty much the same as it is in the observable universe. … Beyond the Hubble Volume you won’t just find more, different planets. You will eventually find every possible thing.
Will we ever travel at light speed?
The fact is we’ll never be able to travel beyond the speed of light, at least based on our current understanding of established physics. … The LHC, the largest and highest-energy particle accelerator we have, boosts protons as close to the speed of light as we can get, but they never quite hit the mark.
Does space have a smell?
According to astronauts, they all smell like space. While each astronaut smells something a bit different, they all agree ‘space stinks’. Obviously, space is a vacuum, so no one has really ‘smelled’ it before in the traditional sense of the word. … But we can smell it indirectly.
Does the universe repeat itself?
Unsourced material may be challenged and removed. Eternal return (also known as eternal recurrence) is a concept that the universe and all existence and energy has been recurring, and will continue to recur, in a self-similar form an infinite number of times across infinite time or space.
What’s inside a black hole?
The event horizon is where the escape speed exceeds the speed of light: you’d have to be going faster than light (which is impossible for any bit of matter) to escape the black hole’s gravity. Inside the event horizon is where physics goes crazy. … A singularity is what all the matter in a black hole gets crushed into.
Is there an edge of universe?
And although our observable universe has an edge, the universe as a whole is infinite and has no edge. … Many galaxies are so far away from the earth that the expansion of the universe causes them to recede from the earth at a speed faster than light.
Does time ever end?
“Time is unlikely to end in our lifetime, but there is a 50% chance that time will end within the next 3.7 billion years,” they say. That’s not so long! It means that the end of the time is likely to happen within the lifetime of the Earth and the Sun. But Buosso and co have some comforting news too.
Is nothingness possible?
‘Nothing exists’ is simple in the sense of being an easy to remember generalization. … There is no such thing as nothingness, and zero does not exist.
Do we live in a multiverse?
The universe we live in may not be the only one out there. In fact, our universe could be just one of an infinite number of universes making up a “multiverse.” Though the concept may stretch credulity, there’s good physics behind it.
How long would it take to travel to the edge of the Milky Way?
200,000 yearsThe disk of our home galaxy – the Milky Way – is bigger than we previously thought. A new study shows it would take 200,000 years for a spaceship traveling at the speed of light to go across the entire galaxy.
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’s past the edge of the universe?
The edge of the observable universe cannot keep up with the expansion of the universe so that many galaxies are eternally beyond our observation. Despite this limitation on observational abilities, the universe itself still has no edge.
Can the universe be infinite?
It cannot be infinite in a finite time because time is space and time are more or less the same. They are one entity called spacetime.
Is space still expanding?
Based on large quantities of experimental observation and theoretical work, the scientific consensus is that space itself is expanding, and that it expanded very rapidly within the first fraction of a second after the Big Bang. This kind of expansion is known as “metric expansion”.
Will humans ever achieve interstellar travel?
The truth is that interstellar travel and exploration is technically possible. There’s no law of physics that outright forbids it. But that doesn’t necessarily make it easy, and it certainly doesn’t mean we’ll achieve it in our lifetimes, let alone this century. Interstellar space travel is a real pain in the neck.
What’s at the 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.
What is the edge of the universe called?
Before that, the universe was so hot and dense (well before there were stars and galaxies!) that any light in the universe just rattled around, and we can’t see it with our telescopes today. This place is edge of the “observable universe”—sometimes called the horizon—because we can’t see beyond it.
What was before the universe?
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.
Can we travel faster than light?
In other words, the faster an object moves, the greater its mass. … If an object tries to travel 186,000 miles per second, its mass becomes infinite, and so does the energy required to move it. For this reason, no normal object can travel as fast or faster than the speed of light.
How long till the universe ends?
According to the formulas used to calculate cutoffs, a universe that is 13.7 billion years old will reach its cutoff in about 5 billion years, his team concludes. For most people, the idea that a mathematical tool could be elevated to a real-world event might seem strange, but there are precedents for it in physics.
Who created universe?
The earliest cosmological models of the universe were developed by ancient Greek and Indian philosophers and were geocentric, placing Earth at the center. Over the centuries, more precise astronomical observations led Nicolaus Copernicus to develop the heliocentric model with the Sun at the center of the Solar System.