- Is the space endless?
- Did Einstein think the universe was infinite?
- Is there anything stationary in the universe?
- How old is our galaxy?
- Who discovered that the universe is expanding?
- Can we go beyond our galaxy?
- Will our universe end?
- Can space travel faster than light?
- What does E mc2 mean?
- Is the universe contracting?
- How old is our universe?
- Who founded the universe?
- How long will universe last?
- Where does space end?
- What is God’s age?
- What is the youngest star?
- Is universe really infinite?
- What is beyond the universe?
Is the space endless?
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..
Did Einstein think the universe was infinite?
A static infinite universe was first proposed by Thomas Digges (1546–1595). In contrast to this model, Albert Einstein proposed a temporally infinite but spatially finite model as his preferred cosmology during 1917, in his paper Cosmological Considerations in the General Theory of Relativity.
Is there anything stationary in the universe?
Originally Answered: Is there any object in the universe that is stationary? Yes, there is – YOU. You can pick any frame of reference, and it will be a perfectly valid viewpoint of the Universe, and all the laws of physics will hold true (assuming you’re not accelerating).
How old is our galaxy?
13.51 billion yearsMilky Way/Age
Who discovered that the universe is expanding?
Edwin HubbleThe American astronomer Edwin Hubble made the observations in 1925 and was the first to prove that the universe is expanding. He proved that there is a direct relationship between the speeds of distant galaxies and their distances from Earth. This is now known as Hubble’s Law.
Can we go beyond our galaxy?
The technology required to travel between galaxies is far beyond humanity’s present capabilities, and currently only the subject of speculation, hypothesis, and science fiction. However, theoretically speaking, there is nothing to conclusively indicate that intergalactic travel is impossible.
Will our universe end?
If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.
Can space travel faster than light?
The separation between two distant points can increase faster than the speed of light as a result of the swelling of the intervening spacetime. Nothing can pass through the space faster than light, but space itself can carry things apart superluminally.
What does E mc2 mean?
E = mc2. It’s the world’s most famous equation, but what does it really mean? “Energy equals mass times the speed of light squared.” On the most basic level, the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing.
Is the universe contracting?
As long as the amount of stuff doesn’t go over a critical threshold, the universe will continue to expand forever, and eventually suffer heat death, freezing out. But if there’s too much stuff, the expansion of the universe will slow down and stop. Then the universe will begin to contract.
How old is our universe?
13.7 billion yearsMeasurements made by NASA’s WMAP spacecraft have shown that the universe is 13.7 billion years old, plus or minus about 130,000 years.
Who founded the universe?
Edwin HubbleIn 1929, Edwin Hubble, an astronomer at Caltech, made a critical discovery that soon led to scientific answers for these questions: he discovered that the universe is expanding. The ancient Greeks recognized that it was difficult to imagine what an infinite universe might look like.
How long will universe last?
The stars themselves, however, will continue to burn for a long time. The Universe is already 14 billion years old, but the longest-lived stars today — the low-mass red dwarfs — will continue burning through their fuel extremely slowly: for perhaps more than 100 trillion years.
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.
What is God’s age?
I guess not earlier than 200,000 years ago. I’d even say there was no God before the end of the Neolithic age, and that means God is roughly 7,000 years old.
What is the youngest star?
The young M-type star, AU Microscopium (AU Mic), is about half the mass of the sun but only about 12 million years old, compared to the 4.6 billion year age of the sun.
Is universe really 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.
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. They come in a great diversity of types, shapes, sizes and masses.