About 100,000 years.
it would take you approximately 100,000 years to travel across the milky way. happy traveling :-) !
The very fastest human-made spacecraft ever aren't out of this solar system yet, and they were launched in the 70s."Billions of years" is, if anything, an understatement.
No such thing would happen. Matter cannot reach the speed of light, only massless things can (and they cannot travel at any other speed than the speed of light).
When the light is traveling through vacuum.
The speed of light depends mainly on what light is traveling through. The speed of light in a vacuum is 300,000 kilometers per second. The speed of light in other substances can be a little slower, and sometimes a lot slower.
Electrons are able to travel close to speed of light.
At the speed of light: About 100,000 years.
Massless particles traveling at the speed of light include photons, the particles of light. They have no rest mass and always move at the speed of light in a vacuum according to the theory of special relativity.
Heat waves traveling at the speed of light are called RADIATION! :)
Yes.
The speed of electromagnetic waves is constant in a vacuum, traveling at approximately 3.00 x 10^8 meters per second, which is the speed of light. This speed does vary depending on the medium through which the waves are traveling, with light moving slower in materials other than a vacuum.
Traveling across the Milky Way galaxy at the speed of light would take approximately 100,000 years. However, with current technology, it is impossible for humans to travel at such speeds, so the actual time to traverse the galaxy would be much longer.