why is it so dark in the backround of nuclear bomb test photos?
441973
It’s taken with a very dark Lins filter. The flash is so bright that with out the filter all you would get is a washout.
1080725
shadow is formed through light.
273384
Those photographs are not at all what you would see with the naked eye- even if you were in a spacecraft nearby.  The pictures are "artificially colored composites" using different colors in the human visual spectrum to represent the different gasses reflecting invisible light frequencies or impossibly subtle detail.\n\nFor a detailed explanation of color in astronomical photos, check out the link below to the Hubble Space Telescope FAQ's.\n\n++++++++\nAnd in response to a few snyde remarks from the peanut gallery, here is a direct quote from hubblesite.org:\n\n"Taking color pictures with the Hubble Space Telescope is much more complex than taking color pictures with a traditional camera. For one thing, Hubble doesn't use color film — in fact, it doesn't use film at all. Rather, its cameras record light from the universe with special electronic detectors. These detectors produce images of the cosmos not in color, but in shades of black and white.\n\nFinished color images are actually combinations of two or more black-and-white exposures to which color has been added during image processing.\n\nThe colors in Hubble images, which are assigned for various reasons, aren't always what we'd see if we were able to visit the imaged objects in a spacecraft. We often use color as a tool, whether it is to enhance an object's detail or to visualize what ordinarily could never be seen by the human eye."\n\nAny other comments?
988203
Its kind of hard to take pictures of something that isnt there.
600450
try a person nude sitting on the floor with their legs crossed holding a large colored see thru vase. use a colored bulb and mirrors to brighten the scene.\nI also like the nude backshot of a woman with shadowing as shes hugging herself and you can see her hands around her sides..makes a good pic
203410
Hi. This is a good question...sort of.  Unless you have a little bit of experience with photography, you might not understand lighting and shutter speed selection.  Sunlight reflecting off the lunar surface and nearby objects is much more intense than starlight. If you think about taking a picture at night here on earth you have to adjust the shutter speed for what you are  imaging.  If you have a camera that does this automatically, it will likely select the object closest to the center of the frame and adjust the shutter speed for that object.  If you want to get star images you'll have to mount your camera on a tripod and let the shutter remain open longer. If the astronauts did this, the objects in the foreground would be extremely overexposed and wash out the entire image.  If you are asking this to determine whether the Moon Landing was a hoax, you'll need a much better question.  See the source below for a better explanation and for answers to more of the ridiculous claims that Hoax supporters have made. To learn more about astrophotography see the second link.
175012
Think about it this way.  Have you ever looked at a piece of charcoal lit by sunlight in the middle of the night?  Of course this is impossible, but if you could do it you'd be surprised just how bright it would appear.  In daylight, the charcoal is surrounded by other objects which are better reflectors (higher albedos), making the charcoal appear dark by comparison.
280905
During some nuclear tests, they wanted to see how air moved near the explosion.  Just before the detonation, they launched rockets that produced a lot of smoke in their exhaust.  These smoke trails served as reference lines so they could see how the air moved.  I always wondered about this, too, until I recently saw this explanation.  I'm sorry I don't remember the source.\n\nWhat is really weird is some of the Howard Edgerton images of the first few instants of A-bomb explosions where the electric current induced in the tower guy wires is vaporizing the wires!  See the 7th photo.
369741
The sky is blue to us beause of Rayleigh scattering.  From outer space, you don't have that atmosphere effect, so it's black.
157911
use a blacK light and see what happens
1066323
u see darkness because light isn't present. Not whether is it possible to look at nothing.
738610
I see the exact same thing. I thought something was really wrong. It looks like tv snow in the dark. When you find out, please let me know...
1032269
Because the lights are off!\n\nhttp://www.total-knowledge.com/~willyblues/
339062
Ak47 got it.\n\nWhen you see a picture of say, Saturn taken by the Cassini spacecraft, the camera's exposure is optimized for viewing the planet, not the background stars.  A longer exposure would show the stars, but wash out the planet.
236509
Because of peoples perception of shadows is all about the unknown and the dark. So, in the absence of color it's always a shade or two from darkness. You wouldn't be scared so easily in a lighted area as you would if that same area was nearly or completely dark.
231023
This is caused by thermic convection of the air. In the deserts you normally have high differences in temperature between day and night, so hot air is rising rapidly while cold air is moving downwards after sunset. This different densities in the air makes the light bend and the stars seems as if they are dancing, just as if you were looking through an irregular glass. \nIt's a bad night for astronomers.
544299
outer space is not dark.\n\nyou can see something only if it's got some sort of reflective material, or if it emits its own light energy, at the least. so you can't see a cold black planet that doesn't create its own light. but you can see a star that burns stuff to create light. and you can also see stuff such as huge clouds of gas, which reflect light.\n\nand this light, it comes from the zillions of stars that create their own...\n\nso to answer your question in short, outer space *seems* dark because there's nothing that can reflect or produce light, in the direction you're looking.\n\nlook somewhere else, and you can see something shiny and lit.\n\nor, better still, move to a dark-sky location (atleast 30-40mi away from city lights) and see the night sky... you'll be amazed at how light it really is.