Light is observable with our eyes, yes, but it behaves like a particle, particularly in the way that it is affected by gravity. The question might be 'what happens to a particle of matter if it was hurled at the speed of light in a vacuum?'.
Some subatomic particles do make up larger particles, such as the aforementioned protons and neutrons being made up of quarks. Again, without evidence that quarks are made up of yet smaller sub-subatomic particles, the assumption is moot. That said, I posit that they can be broken down further...
I see. Thanks for the explanation. That said, it seems just as naive to assume that there is, in fact, a 'smallest particle' as to assume that there is not.
Could light be a particle that is unobservable as an actual particle because of the fact that it is traveling at the speed of light, and thus occurs at a different temporal 'dimension' because of the relativistic difference in velocity between the light 'particle' itself, and the space in which...
Well, they can't get successively more massive as they are broken down, as then they would be larger than the actual particles that they make up. The fact remains that a universe is made up of galaxies, made up of orbiting stars, made up of orbiting planets, with orbiting moons, all of which are...
Each time we smash an atom, we find smaller and smaller subatomic particles. Could it be possible that subatomic particles exist infinitesimally smaller and that there is not end to the decreasing size? Would that have any relation to the relation between mass and energy per E=MC2, such that...
There are likely to be infinite, or at least countless universes out there. We haven't seen them because any signs of their existence, such as wavelengths along the EMS, may very well take trillions of years go get here, and also may very well be too faint to detect from the astronomical (excuse...
Thank you for the answers! Awesome! So in a sense, the space itself is expanding more quickly, not the absolute distance of the objects themselves through some fixed-sized absolute space. And the reason that we can be traveling apart at a rate greater than c is because the relativity in terms of...
I constantly hear about seeing the light from a galaxy, now in the 13B-year-old realm. Specifically, galaxy MACS 1149-JD was recently found to be 13.2B light years away, meaning that it is at least 13.2B years old. What I can't comprehend, is that the galaxy itself would have to be moving away...