Turn your flashlight on and off. The light wave begins and ends. The light wave from your flashlight will take 1 nanosecond to travel one foot from your flashlight.
using the light alone to measure the weight of a unknown object is impossible.
That is correct.That is correct.That is correct.That is correct.
In the Beginning There Was Light was created in 2010.
no the correct answer is really time
no. it is simply impossible to fly at the speed or light. the only thing in this galaxy that can move at the speed of light is light. othewise it is phisically and croneologically impossible.
A light year is a measure of distance. A light year is about 9,460,000,000,000 km, the distance light travels in a vacuum in one Earth year. It has nothing to do with weeks, months, days, etc. or any other of our calendar measurements of time.
Someone claimed that my claim that the size of the universe is not falsifiable is not correct. Their answer is for the visible universe whose size is falsifiable. My UNFALSIFIABLE size is for any postulated universe larger then the Hubble radius (distance where expansion of space rate becomes the speed of light). We CAN'T measure or deterct anything in space (or know, in physics, if such regions of space even exist) that is expanding faster than the speed of light. Therefore we can't falsify a measurement that is impossible to make.
It is impossible.
Albedo is a measure of reflectivity; it is a measure of the percentage of light reflected from a surface. A perfect mirror would have an albedo of 1, while white snow has an albedo of about 0.9. Charcoal has an albedo of about 0.04.An albedo higher than 1 is impossible.
I'm Beginning to See the Light was created in 1944.
Impossible Light - 2014 was released on: USA: 8 March 2014 (SXSW)
Roemer was the first to measure the speed of light.