Sentences with phrase «under ultraviolet radiation»

Lindow Man II's hair was thought to have been decorated by a copper - based pigment, because of the green fluorescence it gives off under ultraviolet radiation.

Frozen in ice under ultraviolet radiation, high vacuum and low temperature, the pyrimidine turned into uracil, cytosine and thymine, major components of earthly DNA and RNA.

Not exact matches

The HPA tested a sample of compact fluorescent light bulbs (CFLs) and found that some emitted ultraviolet radiation which could, under certain conditions, expose people above international guidelines.

In his research, Robin Ramstad has combined and compared measurements of the ion escape under varying solar wind conditions and levels of ionizing solar radiation, so - called extreme ultraviolet (EUV) radiation.

These globules are under fierce bombardment from the ultraviolet radiation from nearby hot young stars.

Larger Bok globules in quieter locations often collapse to form new stars but the ones in this picture are under fierce bombardment from the ultraviolet radiation from nearby hot young stars.

In the new study, pollen grains of a modern dwarf pine species, considered an analog for the ancient species, were similarly malformed under high levels of ultraviolet - B radiation (bottom row).

A nearby star features a comet - like tail that could be the outer reaches of a protoplanetary disk evaporating under the intense ultraviolet radiation from IRS 2.

Under ultraviolet light examination, transient dark and bright stripes mark Venus» atmosphere, indicating regions where Solar ultraviolet radiation is either absorbed or reflected, respectively (more from Venus Express and APOD).