Monday, April 25, 2011

Can Oil Be Substituted For Butter In Cakes?

The eye in the night ....


The human eye can perceive only certain photons of light. Ie those with a specific wavelength. We can see many colors but why, then, we see galaxies in a single color? The human eye can dilate 6 mm. day when we receive the light with a wide range of colors. But at night, in darkness, and after waiting half an hour, the eye has adapted to the dark, the pupil is dilated giving a 6mm output. or 7mm. In full darkness into action what I call the rods that let you capture more light, but only the white light and some gray. For this reason, when we see a galaxy through a telescope can not see the colors we see in a photo. Moreover, if we look through the eyepiece reojillo we better see the little cloud that appears.
For this reason we do not see colors. But we can see galaxies and congratulate the image. And then think we are seeing something that no longer exist. I advise you to have first
binoculars 7x50 or 10x5o. You're not gonna be sorry.

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