- Does anything travel faster than light?
- What is the most powerful thing in the universe?
- Can gamma rays kill viruses?
- What is the hardest thing in the universe?
- What would happen if you were hit by a gamma ray burst?
- Why gamma ray is dangerous?
- What happens if a pulsar hits Earth?
- Is black hole faster than light?
- How fast is a gamma ray?
- Can a gamma ray kill you?
- What causes a gamma ray burst?
- How does gamma radiation kill?
- Which is more dangerous alpha beta or gamma?
- What is the 2 fastest thing in the world?
- What are the chances of a gamma ray hitting Earth?
- What is the weakest thing in the universe?
- Can a gamma ray burst hit Earth?
- What would happen if a gamma ray burst hit a black hole?
- How far can a gamma ray burst travel?
- How fast can you die from radiation?
- Do gamma rays move faster than light?
- Do wormholes exist?
- What is the longest thing on earth?
Does anything travel faster than light?
There is no limit to how fast the universe can expand, says physicist Charles Bennett of Johns Hopkins University.
Einstein’s theory that nothing can travel faster than the speed of light in a vacuum still holds true, because space itself is stretching, and space is nothing..
What is the most powerful thing in the universe?
These explosions generate beams of high-energy radiation, called gamma-ray bursts (GRBs), which are considered by astronomers to be the most powerful thing in the universe.
Can gamma rays kill viruses?
Gamma radiation is known to inactivate all types of viruses. … The Process uses a low constant dose rate which minimizes product degradation and permits the direct action of gamma radiation to inactivate the viruses.
What is the hardest thing in the universe?
Below are the 10 strongest materials known to man:#8 Nanospheres / Nano-Kevlar. … #7 Diamond. … #6 Wurtzite Boron Nitride. … #5 Lonsdaleite. … #4 Dyneema. … #3 Metallic Glass. … #2 Buckypaper. … #1 Graphene. One-atom-thick sheets of carbon are 200 times stronger than steel.More items…•
What would happen if you were hit by a gamma ray burst?
A GRB would deplete the ozone layer in the upper atmosphere, allowing harmful UV radiation to reach the ground and thus have dire consequences for life. However, the ground-level ozone caused by the GRB would not be an additional hazard for life.
Why gamma ray is dangerous?
Gamma rays are ionizing radiation and are thus biologically hazardous. Due to their high penetration power, they can damage bone marrow and internal organs.
What happens if a pulsar hits Earth?
Beams from pulsars actually have hit the Earth. … If, however, we were to be very, very close to a pulsar, and in the direct path of its beam of X-ray and/or gamma radiation, then it could destroy our ozone layer and flood the Earth’s surface with very dangerous ionizing (and cancer-causing) radiation.
Is black hole faster than light?
No, black holes cannot travel faster than light. In black hole there is no time and space. So there is no speed. … Everything on a black hole’s event horizon must travel through space with the speed of light c.
How fast is a gamma ray?
Yes. The Gamma rays ( γ- Rays) are also part of the vast EM radiation, so they also travels with the speed of Light c (3 x 10^8 m/s). Gamma-rays are the most energetic form of light, due to their high energy they can be used in cancer diagnosis. Gamma rays are produced by very high temperature regions of the universe.
Can a gamma ray kill you?
Just as high doses of X-rays are typically lethal, so too would an explosion of gamma rays kill the average person. Gamma rays can knock electrons around like a bowling ball would bowling pins. … Intriguingly, gamma rays can be so powerful that they can actually create matter.
What causes a gamma ray burst?
One explanation proposes that they are the result of colliding neutron stars — corpses of massive stars (5 to 10 times the mass of our Sun) that have blown up as supernovae. A second theory proposes that gamma-ray bursts are the result of a merging between a neutron star and a black hole or between two black holes.
How does gamma radiation kill?
Gamma rays are strongly penetrating ionizing radiation. What that means is that they create charged radicals in any material they travel through. In thehuman body that means it causes mutations in DNA and damages cellular mechanisms. In large doses it is enough to kill cells and causeradiation poisoning.
Which is more dangerous alpha beta or gamma?
Alpha, beta and gamma radiation alpha radiation is the most dangerous because it is easily absorbed by cells. beta and gamma radiation are not as dangerous because they are less likely to be absorbed by a cell and will usually just pass right through it.
What is the 2 fastest thing in the world?
List of animals by speedRankAnimalMaximum speed1Peregrine falcon389 km/h (242 mph) 108 m/s (354 ft/s)2Golden eagle240–320 km/h (150–200 mph) 67–89 m/s (220–293 ft/s)3White-throated needletail swift169 km/h (105 mph)4Eurasian hobby160 km/h (100 mph)16 more rows
What are the chances of a gamma ray hitting Earth?
A new study finds that the chances of a gamma ray burst going off in our galaxy and destroying life on Earth are comfortingly close to zero. Gamma ray bursts, or GRBs, are focused beams of gamma radiation emitted from the magnetic poles of black holes formed during the collapse of ancient, behemoth stars.
What is the weakest thing in the universe?
gravityIn summary, gravity is the weakest of the forces in general, but it is the dominant one at astronomical scales because it has the longest range and because there is no negative mass.
Can a gamma ray burst hit Earth?
Effects on Earth. Earth’s atmosphere is very effective at absorbing high energy electromagnetic radiation such as x-rays and gamma rays, so these types of radiation would not reach any dangerous levels at the surface during the burst event itself.
What would happen if a gamma ray burst hit a black hole?
Supermassive black holes are almost always surrounded by a spinning disk of gas\stars a gamma ray burst striking the cloud would set off some ”fireworks”, if the burst hit the naked black hole the yes it would get captured, not neutralized though, the energy would remain in the black hole as an increase of mass.
How far can a gamma ray burst travel?
It depends. The farthest observed is GRB 090423 at a distance of 13 billions of light years. In general any electromagnetic signal can travel forever if does not interact with any object.
How fast can you die from radiation?
Very high doses like those experienced by workers at the site of nuclear accidents (several thousand times higher than the background radiation level) cause extensive damage, resulting in a range of symptoms known collectively as radiation sickness. Extremely high doses can kill in days or weeks.
Do gamma rays move faster than light?
Therefore, a wave could travel through a gamma-ray burst jet at superluminal speeds without breaking relativity. … We know that, when travelling through a medium, particles can move faster than light does. This phenomenon is responsible for the famous Cherenkov radiation, often seen as a distinctive blue glow.
Do wormholes exist?
Wormholes are consistent with the general theory of relativity, but whether wormholes actually exist remains to be seen. … A wormhole could connect extremely long distances such as a billion light years or more, short distances such as a few meters, different universes, or different points in time.
What is the longest thing on earth?
Heaviest living animalsRankAnimalAverage total length [m (ft)]1Blue whale24 (79)2North Pacific right whale15.5 (51)3Southern right whale15.25 (50)4Fin whale19.5 (64)6 more rows