Weight of shadow in science


How much does a shadow weigh might sound like a silly question because it is I mean a shadow cannot be put on the scale and weigh but the material that it falls on top of candy way

And we know that light has energy in fact when light encounters an object is that object just a little bit on the surface of her when sunlight is hitting it every square inch is being pushed with a force of about a billionth of a pound, which is basically nothing but over large enough service area the results can be pretty fun.On a sunny day the city of Chicago weighs 300 pounds simply because phone light is falling on it in outer space where solar wind is it filtered by Earth’s atmosphere or magnetic field the results of a spacecraft traveling from Earth to Mars would be pushed by light one thousand kilometers

Off course to these things have to be factored into Journeys to Mars actually already created things that can sail with white giant reflective solar sales that are pushed by the Sun’s light. So in a way that is calculated so difficult to measure an area covered in Shadow technically weighs less than surrounding areas being pushed by light. But enough about the sun there are three astronomical Shadows on the surface of Earth the Sun and the Moon while the third one is Venus we all know that light travels quickly 299792458 meters per second see this light right here in fact the light coming off of your screen in your eyeballs right now is moving slightly slower than because he is the speed of light in a vacuum but all of this light travel through a medium in this case the speed of light in air is ever so slightly slower than 298925574 meters per second this is interesting because light travels more slowly through different materials but he remains the universal speed limit and as long as an object doesn’t go that fast it can still outpaced light in material a Charged particle for instance an electron can travel through water faster than light does but never faster than when this happens we did something analogous to a sonic boom we get a photonic boo thoughtbound information propagating off of the object is in the form of compression waves and it’s closer and closer to the speed of sound waves are moving away from a new wave has less time to get out of the way of the next to each other and pressure is normally charged particle moves through a material molecules can polarized molecules give off and waves all destructively interfere with each other the photons have away from each other into constructively interfere all the moon flashes of light particles moving through the liquid inside the wood right inside your body.


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