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  1. Mar 15, 2024 · Light travels through the vacuum of space at 186,828 miles per second as transverse waves, outside of any material or medium, because photons—the particles that make up light—also behave as waves. This is referred to as the wave-particle duality of light.

    • How far does light go? how long does light go. - Jason (age 11) A: Hi Jason, Light just keeps going and going until it bumps into something.
    • less than one photon? Can light intensity reduce to a level where it's energy is less than 1 photon (probably after travelling an almost infinite distance from a point source)?
    • stars too far away to see? does there is any star that we can can't get it's light because of itis farness?...... sorry with having any problems in my English gramer, my English language is not good enough.
    • light going out to space. If we are reflections of light, does that reflection make it out into space and keeps traveling til its asorbed.
  2. Feb 18, 2024 · One of the most intriguing questions surrounding light is why it can travel through space. To unravel this mystery, we must delve into the realm of physics and explore the fundamental principles that govern the behavior of light. At its core, light is an electromagnetic wave.

  3. Apr 24, 2017 · The question of how light travels through space is one of the perennial mysteries of physics. In modern explanations, it is a wave phenomenon that doesn't need a medium through which to propagate. According to quantum theory, it also behaves as a collection of particles under certain circumstances.

  4. As the light from the universe’s most distant galaxies travels through space, it’s stretched by the expansion of space. By the time the light reaches Earth, that stretching process has transformed short wavelengths of visible and ultraviolet light into the longer wavelengths of infrared light.

  5. Unlike sound, which needs a medium (like air or water) to travel through, light can travel in the vacuum of space. Light travels in straight lines. Once light has been produced, it will keep travelling in a straight line until it hits something else. Shadows are evidence of light travelling in straight lines. An object blocks light so that it ...

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  7. May 20, 2016 · Basically, traveling at incredible speeds (299 792 458 m/s) and at different wavelengths, depending on its energy. It also behaves as both a wave and a particle, able to propagate through...

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