- 1 How does dark matter hold the universe together?
- 2 Does dark matter expand the universe?
- 3 Is dark matter everywhere?
- 4 Can dark matter be manipulated?
- 5 Can dark matter give you superpowers?
- 6 Does time expand with space?
- 7 Can you see dark matter?
- 8 Is dark matter growing?
- 9 How expensive is dark matter?
- 10 Why is dark matter so expensive?
- 11 What does dark matter do to humans?
- 12 What is the opposite of dark matter?
- 13 Can antimatter be created?
How does dark matter hold the universe together?
In short, dark matter slows down the expansion of the universe, while dark energy speeds it up. Dark matter works like an attractive force — a kind of cosmic cement that holds our universe together. This is because dark matter does interact with gravity, but it doesn’t reflect, absorb or emit light.
Does dark matter expand the universe?
Because this energy is a property of space itself, it would not be diluted as space expands. As more space comes into existence, more of this energy-of-space would appear. As a result, this form of energy would cause the universe to expand faster and faster.
Is dark matter everywhere?
Dark matter is five times as abundant as normal matter in the universe. But it continues to be an enigma because it is invisible and nearly always passes right through normal matter.
Can dark matter be manipulated?
Dark matter is matter that does not interact electromagnetically, and therefore cannot be seen using light. But because dark matter does not interact electromagnetically, we can’t touch it, see it, or manipulate it using conventional means. You could, in principle, manipulate dark matter using gravitational forces.
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”. In DC’s Flash, all the things are about the Dark Matter which gives human superpowers.
Does time expand with space?
The simple answer is that no, time is not expanding or contracting. The complicated answer is that when we’re describing the universe we start with the assumption that time isn’t expanding or contracting. That is, we choose our coordinate system to make the time dimension non-changing.
Can you see dark matter?
Although we cannot see dark matter and we have not yet detected it in a lab, its presence is made known through gravitational effects. Based on theoretical models of the universe, dark matter accounts for nearly five times as much of the universe as does regular matter.
Is dark matter growing?
The total mass of dark matter is fixed, so as the Universe expands and the volume increases, the density of dark matter drops, just like it does for normal matter. As space expands, the dark energy density remains constant, rather than decreasing or increasing.
How expensive is dark matter?
Discovering just one dozen dark particles would be enough to throw all of modern physics for a loop. Considering the LUX experiment cost about $10 million to build, that puts the effective price of dark matter at, oh, about one million trillion trillion dollars per ounce. This is off-the-charts precious material.
Why is dark matter so expensive?
Due to its explosive nature (it annihilates when in contact with normal matter) and energy-intensive production, the cost of making antimatter is astronomical.
What does dark matter do to humans?
In theory, macros could directly interact with physical objects such as human bodies, causing ” significant damage,” according to the new study titled “Death by Dark Matter.” Damage from such a collision would be comparable to a gunshot wound, the researchers wrote.
What is the opposite of dark matter?
Dark matter and dark energy are the opposite: they are concepts that theoretical physicists never wanted, but which are forced on us by the observations. Dark matter, in particular, is nothing at all like the aether.
Can antimatter be created?
For the past 50 years and more, laboratories like CERN have routinely produced antiparticles, and in 1995 CERN became the first laboratory to create anti-atoms artificially. But no one has ever produced antimatter without also obtaining the corresponding matter particles.