- Does dark energy really exist?
- Is dark matter proven?
- Is Dark Matter dangerous?
- How strong is dark matter?
- Can Dark Matter give you superpowers?
- Why is dark matter so expensive?
- Does dark matter have mass?
- Is dark matter 4th dimensional?
- Why is space so dark?
- What could dark matter be?
- Can you touch antimatter?
- Is the universe infinite?
- What would happen if antimatter hit a black hole?
- Can you create dark matter?
- What is dark matter most likely made of?
- How much does dark matter cost?
- What if you were made of dark matter?
- Can neutrinos be dark matter?
- Can gravitons be dark matter?
- Can humans make a black hole?
Does dark energy really exist?
In physical cosmology and astronomy, dark energy is an unknown form of energy that affects the universe on the largest scales..
Is dark matter proven?
Chandra X-ray Center, Cambridge, Mass. Dark matter and normal matter have been wrenched apart by the tremendous collision of two large clusters of galaxies. The discovery, using NASA’s Chandra X-ray Observatory and other telescopes, gives direct evidence for the existence of dark matter.
Is Dark Matter dangerous?
Dark Matter a Danger? Because WIMPs don’t have strong effects on normal matter, collisions inside the human body shouldn’t pose much danger. But when WIMPs collide with each other, their annihilation is a much more energetic reaction. “Say they each weigh a hundred times the mass of a proton,” Freese said.
How strong is dark matter?
Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10−27 kg/m3….Unsolved problem in physics:Some dark matter hypothesesmodified gravity (MOG)Quantized inertia19 more rows
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.
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. CERN produces about 1×10^15 antiprotons every year, but that only amounts to 1.67 nanograms.
Does dark matter have mass?
Dark matter is invisible, and scientists have long tried in vain to directly detect the mysterious particles. But since dark matter has mass, its presence is inferred based on the gravitational pull it exerts on regular matter.
Is dark matter 4th dimensional?
Extra dimensional dark matter If dark matter doesn’t exist in another world entirely, it might live in a fourth spatial dimension unseen by humans and our experiments. Such a dimension would be too small for us to observe a particle’s movements within it.
Why is space so dark?
At night, when that part of Earth is facing away from the Sun, space looks black because there is no nearby bright source of light, like the Sun, to be scattered. If you were on the Moon, which has no atmosphere, the sky would be black both night and day.
What could dark matter be?
Scientists have produced many theories about what exactly dark matter may be. Some believe that it may be normal objects such as cold gasses, dark galaxies, or massive compact halo objects (called MACHOs, they would include black holes and brown dwarfs).
Can you touch antimatter?
It depends on how much you touched. When antimatter and regular matter touch together, they destroy each other and release lots of energy in the form of radiation (usually gamma rays). If it’s a small amount, it’s totally safe. … A thimbleful of antimatter can only destroy a thimbleful of regular matter.
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.
What would happen if antimatter hit a black hole?
No. Antimatter has positive mass just like ordinary matter, so the black hole would merely get larger and heavier. Whatever fireworks happened inside the hole, if the anitmatter met up with ordinary matter there, would have no effect on the hole’s total matter-and-energy content or, therefore, its mass.
Can you create dark matter?
One leading hypothesis is that dark matter consists of exotic particles that don’t interact with normal matter or light but that still exert a gravitational pull. Several scientific groups, including one at CERN’s Large Hadron Collider, are currently working to generate dark matter particles for study in the lab.
What is dark matter most likely made of?
Most scientists think that dark matter is composed of non-baryonic matter. The lead candidate, WIMPS (weakly interacting massive particles), have ten to a hundred times the mass of a proton, but their weak interactions with “normal” matter make them difficult to detect.
How much does dark matter cost?
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.
What if you were made of dark matter?
Your atoms form molecules, molecules form cells, and cells form vitals that you can see with your eyes, like your organs. If all of your ordinary matter atoms switched to dark matter atoms, your physical body would disintegrate. Without ordinary matter, there would be nothing to glue your atoms together anymore.
Can neutrinos be dark matter?
In other words, only a tiny fraction of the total amount of dark matter is allowed to be in the form of light neutrinos. Given the constraints we have today, we can conclude that approximately 0.5% to 1.5% of the dark matter is made up of neutrinos.
Can gravitons be dark matter?
We consider the possibility that the massive graviton is a viable candidate of dark matter in the context of bimetric gravity. We first derive the energy-momentum tensor of the massive graviton and show that it indeed behaves as that of dark matter fluid.
Can humans make a black hole?
Human-made micro black holes In familiar three-dimensional gravity, the minimum energy of a microscopic black hole is 1019 GeV (equivalent to 1.6 GJ or 444 kWh), which would have to be condensed into a region on the order of the Planck length. This is far beyond the limits of any current technology.