- What causes the universe to expand?
- Is space still expanding?
- Does darkness have mass?
- What is outside the universe?
- Can Dark Matter give you superpowers?
- How far have we seen into the universe?
- Why doesn’t the solar system expand if the whole universe is expanding?
- Why don’t we feel the universe expanding?
- Can you reach the edge of the universe?
- Is Dark Matter dangerous?
- How far away is the edge of the universe?
- How long does it take for the universe to expand?
- Is dark matter everywhere?
- Where in the universe are we?
What causes the universe to expand?
Astronomers theorize that the faster expansion rate is due to a mysterious, dark force that is pulling galaxies apart.
One explanation for dark energy is that it is a property of space.
As a result, this form of energy would cause the universe to expand faster and faster..
Is space still expanding?
The universe does not expand “into” anything and does not require space to exist “outside” it. … A much slower and gradual expansion of space continued after this, until at around 9.8 billion years after the Big Bang (4 billion years ago) it began to gradually expand more quickly, and is still doing so.
Does darkness have mass?
Dark energy is thought to make up 73 percent of the total mass and energy in the universe. Dark matter accounts for 23 percent, which leaves only 4 percent of the universe composed of the regular matter that can be seen, such as stars, planets, galaxies and people.
What is outside the universe?
Astronomers think space outside of the observable universe might be an infinite expanse of what we see in the cosmos around us, distributed pretty much the same as it is in the observable universe.
Can Dark Matter give you superpowers?
In the game series Mass Effect, dark matter is manifested in the form of a substance called “Element Zero”, which is informally referred to as “eezo”. The dark energy that eezo produces is harnessed to power FTL travel, and prenatal exposure to eezo is capable of giving humans telekinetic abilities.
How far have we seen into the universe?
They become abstract, conceptual — so much larger than any human experience. So the age of the universe just seems like a number, but it’s a very big number: roughly 13.8 billion years. That means the “edge” of the universe is 13.8 billion light-years away — so far away that we’ve never been able to observe it.
Why doesn’t the solar system expand if the whole universe is expanding?
Solar systems do not expand despite existing in an expanding universe because of the binding force of gravity. In fact, even galaxies have enough gravity to withstand expansion.
Why don’t we feel the universe expanding?
Because the expansion of the Universe happens where gravity is weaker than the impulse to expand. That means that you don’t have universe expansion inside galaxies. Because galaxies are millions, billions of stars and planets and asteroids and comets and dust and molecular clouds keept together by gravity.
Can you reach the edge of the universe?
As far as we can tell, there is no edge to the universe. Space spreads out infinitely in all directions. Furthermore, galaxies fill all of the space through-out the entire infinite universe. This conclusion is reached by logically combining two observations.
Is Dark Matter dangerous?
And for other types of WIMPs, the researchers estimate, as many as a hundred thousand particles a year likely collide with human nuclei. Dark Matter a Danger? Because WIMPs don’t have strong effects on normal matter, collisions inside the human body shouldn’t pose much danger.
How far away is the edge of the universe?
46.5 billion light-yearsThe comoving distance from Earth to the edge of the observable universe is about 14.26 gigaparsecs (46.5 billion light-years or 4.40×1026 m) in any direction.
How long does it take for the universe to expand?
Although the expansion of the universe gradually slowed down as the matter in the universe pulled on itself via gravity, about 5 or 6 billion years after the Big Bang, according to NASA, a mysterious force now called dark energy began speeding up the expansion of the universe again, a phenomenon that continues today.
Is dark matter everywhere?
Dark matter, to the best of our knowledge, is out there in all directions. It may be invisible to our eyes, but we can feel its gravitational force. It passes through all the matter in the Universe, including human beings, as though it weren’t there at all.
Where in the universe are we?
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.