Sentences with phrase «dark under an ultraviolet light»
It often glows in the dark under an ultraviolet light source (Woods lamp).
http://www.2ndchance.info/ Not exact matches
In this case, «darker» meant they displayed larger «bull's - eyes» — dark circles surrounded by lighter petals that are invisible to the human eye but show up under ultraviolet (UV) light (below right).
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).
In the dark and under an ultraviolet light, the dogs glow a reddish orange.