Does light travel through time?

Juliana Watsica asked a question: Does light travel through time?
Asked By: Juliana Watsica
Date created: Sun, Jun 27, 2021 6:05 AM
Date updated: Mon, Aug 8, 2022 6:10 PM


Top best answers to the question «Does light travel through time»

  • So light may not experience either time or distance itself, but to move, all it needs to do is get from one point in your spacetime to another point in your spacetime.


Those who are looking for an answer to the question «Does light travel through time?» often ask the following questions:

❔ Do red light and violet light travel through the vacuum at?

  • Answer Wiki. In vacuum yes, red and violet light (=single photons or photon packets) travel at the same speed. But as soon as a photon encounters other particles (generally atoms with orbiting electrons), it can interact with them and it will of course be slowed down.

❔ How can light travel through a bent fiber?

The refractive indices of each material are engineered to ensure that light always reflects back off the cladding and is never absorbed by it, regardless of whether the cable is straight or bent round. It’s a bit like carrying a torch through a long winding tunnel lined with perfect mirrors.

❔ How does ansem travel through time in kingdom hearts?

  • Ansem's function as a Heartless, a disembodied heart corrupted by darkness, enabled him to travel through time, just as Xehanort planned when he cast off his heart to create the former incarnation.

❔ How does light travel through an optical fiber?

  • This is exactly what happens in an optical fiber. The light in a fiber-optic cable travels through the core (hallway) by constantly bouncing from the cladding (mirror-lined walls), a principle called total internal reflection. Because the cladding does not absorb any light from the core, the light wave can travel great distances.

❔ How does light travel through the human eye?

Light passes from the cornea to the pupil, the dark circle in the center of the iris, which is the colored portion of the eye. The pupil regulates the amount of light that will enter the inner eye based on environmental conditions: It dilates, growing bigger to receive more light under dim lighting conditions, and shrinks in response to bright light.

❔ How far does a light wave travel in time?

  • Light travels at exactly 299,792,458 meters per second in a vacuum (about 300,000 kilometers per second or just over 1 billion kilometers per hour).

❔ How far does light travel in each time period?

  • A light-year is a measure of both time and distance. It is not as hard to understand as it seems. Think of it this way: Light travels from the moon to our eyes in about 1 second, which means the moon is about 1 light-second away. Sunlight takes about 8 minutes to reach our eyes, so the sun is about 8 light-minutes away.

❔ How fast does light travel through a diamond?

Light traveling through Earth's atmosphere moves almost as fast as light in a vacuum, while light passing through a diamond is slowed to less than half that speed. Still, it travels through the gem...

❔ How fast does light travel through an optical fibre?

Given speed of light in vacuum, it would take 14.1 nanoseconds for the photon to travel the reflected path, whereas it would take 10.0 nanoseconds to travel 3 meters linearly. Both the distance & duration are about 40% increases!

10 other answers

From the perspective of a photon, there is no such thing as time. It's emitted, and might exist for hundreds of trillions of years, but for the photon, there's zero time elapsed between when it's...

In this case there’s no difference. When something travels at the speed of light it really doesn’t experience any time. On the flip side of that coin, it also doesn’t experience any distance. The time and location of its emission and the time and location of its absorption are the same from a photon’s perspective.

You guessed it, the photons reach zero distance and zero time. Photons can take hundreds of thousands of years to travel from the core of the Sun until they reach the surface and fly off into...

This is why light from distant stars can travel through space for billions of light-years and still reach us on earth. However, light can also travel within some materials, like glass and water. In this case, some light is absorbed and lost as heat, just like sound. So, underwater, or in our atmosphere, light will only travel some finite range (which is different depending on the properties of the material it travels through).

Ever since Albert Einstein formulated his theory of relativity nearly a century ago, it has been a central tenet of physics that nothing can travel faster than light. Now it is claimed that in...

According to the special theory of relativity: The combined speed of any object’s motion through space and its motion through time is always precisely equal to the speed of light. But light travels through space precisely at the speed of light. Doesn't that imply that light doesn't travel through time? What does that even mean?

Light the spaceship emits when it reaches the planet, ten years into its journey, makes it back to Earth twenty years after take-off. Now the ship turns around and heads home. As it gets closer to...

Physicist: Light travels at different speeds in different materials. When you shine a beam of light from one material into another (like from air to water) it bends in such a way that the path it takes from one point to another requires the least possible time. Taking a straight line means traveling through a lot of the “slow material”.

More than 100 years ago, a famous scientist named Albert Einstein came up with an idea about how time works. He called it relativity. This theory says that time and space are linked together. Einstein also said our universe has a speed limit: nothing can travel faster than the speed of light (186,000 miles per second).

Light does NOT travel through SPACE at all, light travels through TIME, and time alone. In the same way your state of health is a time phenomenon, not a spatial one. Light is the excitation state of something, and that something is clearly not vacuum, which is defined as pure nothing.

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We've handpicked 6 related questions for you, similar to «Does light travel through time?» so you can surely find the answer!

How fast does light travel through the atmosphere?
  • Light traveling through Earth's atmosphere moves almost as fast as light in a vacuum, while light passing through a diamond is slowed to less than half that speed.
How long does it take for light to travel through space?

It takes one second for every 299,792 km (186,282 miles) it has to cover.

What does a light wave travel through the fastest?
  • Light waves travel the fastest through solids and slowest through liquids. Light waves travel faster through the air than through solids. How is the light wave that travels through a prism refracted?
What material can light travel through fastest?

Light travels fastest through a vacuum. After that it travels fastest through air since it is almost the same.

What parts of the eye does light travel through?

For children with normal vision, the following things happen in this order:

  • Light enters the eye through the cornea…
  • From the cornea, the light passes through the pupil…
  • From there, it then hits the lens…
  • Next, light passes through the vitreous humor…
  • Finally, the light reaches the retina…
  • The optic nerve is then responsible for carrying the signals to the visual cortex of the brain…
Why does billy pilgrim want to travel through time?
  • But they find their memories are incomplete. The novel’s second option, then, is actual travel through time. Billy Pilgrim can do this because he has learned of Tralfamadorian time, where the past, present, and future exist at once. Time in the novel is subjective, or determined by those experiencing it.