Sentences with phrase «amount of ultraviolet light»

First, despite the obfuscation of the sun, a large amount of ultraviolet light is still reaching your eye (and, because of the decreased brightness, your pupils are more dilated).

The researchers suspect that the amount of ultraviolet light Earth receives from the sun explains the link.

At a distance of 5,500 light years, the blue straggler binary appears as a single point of light, but by analyzing the amount of ultraviolet light, the researchers saw the unmistakable signal of a white dwarf.

Not exact matches

Adding a vitamin D supplement to mom's diet and / or exposure to ultraviolet light will increase the amount of vitamin D in her breastmilk.

It means that skin has to digest a huge of ultraviolet light that you might not know the amount.

The technology controls the amount of light crops receive using a thin covering of nano - tech film that blocks out harmful ultraviolet light while optimizing beneficial light.

Although the skin can manufacture vitamin D, it needs a threshold amount of ultraviolet (UV) light to do so.

The amount of data we collected, from X-rays to ultraviolet to near - infrared light, is definitely larger than for any of the other candidate rogue black holes.»

In another study, his team found that mice given chow containing trace amounts of arsenic, then exposed to a standard daily dose of ultraviolet light, had higher rates of skin cancers than mice given untainted chow.

Their two zinc mines have yielded more than 90 types of rare minerals that glow under ultraviolet light, due to trace amounts of manganese trapped when the crystals formed.

This, in turn, will lower the depth and turbidity of water in mountain streams, increasing the amount of damaging ultraviolet light that reaches the stream beds.

But, some of the Dugway Geodes contain another hidden surprise - trace amounts of uranium incorporated into their chalcedony lining cause the geode's interior lining to exhibit a spectacular lime - green fluorescence under ultraviolet light.

This study makes the first direct comparison between the optical emission line and the ultraviolet and infrared tracers of star formation and indicates that, despite the underlying uncertainties, astronomers can trust the nebular emission lines as robust indicators of the star - formation rate and the amount of light that is obscured by dust in distant galaxies.

Hubble, being a space - based observatory with state - of - the - art spectrographs, can search for the missing colors of light absorbed by the intergalactic gas, particularly in the high - energy ultraviolet colors where the hot intergalactic gas does a significant amount of absorption.

In 1956, astronomer Lyman Spitzer Jr. proposed that there was a significant amount of hot gas outside of galaxies that could be detected in high - energy ultraviolet light.

High - speed machines use higher amounts of ultraviolet - B (UVB) light while high - pressure machines use more ultraviolet - A (UVA).

The cell also overcomes some of the major problems with current solar tech like wear out or damage from high heat that comes from the absorption of great amounts of ultraviolet and infrared radiation that can't actually be turned into electricity due to a narrow band gap (the wavelength of light that can effectively be used to generate electricity).

On average, the Sun produces very little infrared radiation compared to the amount of ultraviolet radiation and visible light that it creates.»

As the light passes through the atmosphere, there is less and less ultraviolet light to absorb, and so the amount of «ozone heating» decreases (Figure 9).

In other advanced techniques, instead of chemical biocides to kill bacteria, some systems now employ ultraviolet light, and mobile units now allow crews to treat and reuse water, reducing the amount of freshwater required in fracking.

They warned that the loss of ozone would significantly increase the amount of skin - damaging ultraviolet UV - B light reaching the surface, greatly increasing skin cancer and cataracts.