Is darkness just the absence of light?
Is darkness just the absence of light?
Darkness is indeed the absence of visible light. However, even in a pitch black room, there will be some light which your eyes cannot see and light you can see, but of which there is too little to trigger the photosensitive cells in your eyes.
Which is more powerful light or darkness?
Darkness is more powerful than light. Because our universe is in full of darkness and it is expanding due to black energies of the universe. Darkness consists of black energy and black matters. Our universe consists of 68% of black energy ,27% of dark matters and remaining 5% of galaxies , stars and planets.
Is the dark side stronger Yoda?
“Is the dark side stronger?” Luke asks. “No, no, no,” Yoda assures him. “Quicker, easier, more seductive.” But as Yoda and Ben are both quick to point out… 8.
What is between light and darkness?
As Churchill once said, “It is often darkest before light.” The space between dark and light, the shadows of uncertainty and the beacon of awareness, disguise or reveal the character and nature of the person. Others can point the way, but only you can illuminate and navigate the path.
What is the faster sound or light?
As a rule sound travels slowest through gases, faster through liquids, and fastest through solids. The speed of light as it travels through air and space is much faster than that of sound; it travels at 300 million meters per second or 273,400 miles per hour.
Why is light so much faster than sound?
Light doesn't need a medium to travel. The speed of sound through air is about 340 meters per second. It's faster through water, and it's even faster through steel. Light will travel through a vacuum at 300 million meters per second.
Where does light travel the slowest?
The higher the index of refraction is, the slower the speed of light is. The indexes of refraction for diamond, air and glass are, respectively, 2.
Why does light travel so fast?
According to Einstein's general theory of relativity, as an object moves faster, its mass increases, while its length contracts. At the speed of light, such an object has an infinite mass, while its length is 0 — an impossibility. Thus, no object can reach the speed of light, the theory goes.
Why will sound not travel in a vacuum?
Sound waves are travelling vibrations of particles in media such as air, water or metal. ... So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.
What can sound not travel through?
Why is space completely silent?
In space, no one can hear you scream. This is because there is no air in space – it is a vacuum. Sound waves cannot travel through a vacuum. 'Outer space' begins about 100 km above the Earth, where the shell of air around our planet disappears.
Is space completely silent?
While the vast majority of space is a vacuum, and thus completely silent, there still are some areas that sound can be heard. ... An example of where sound in space occurs is within black holes, but unfortunately, it's humanly impossible to hear.
Has an astronaut ever been left in space?
Cosmonauts Georgi Dobrovolski (left), Vladislav Volkov (middle), and Viktor Patsayev (right), the only three people to die in space, are featured on three USSR stamps. On June 29, the cosmonauts loaded back into the Soyuz 11 spacecraft and began their descent to Earth. And that's when tragedy struck.
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