Sentences with phrase «detect on a clear night»

After all, if a Bible writer, such as Jeremiah, had looked up at the night sky and had tried to count the visible stars, he would have counted only three thousand or so, for that is how many the unaided human eye can detect on a clear night.

Not exact matches

Like Auger, TA also features batteries of specialized telescopes that on clear, moonless nights can detect the faint light, or fluorescence, produced by an extensive air shower.

As ICREA Prof. at ICFO Gerasimos Konstantatos, expert in quantum dot - graphene research comments, «we engineered the QDs to extend to the short infrared range of the spectrum (1100 - 1900nm), to a point where we were able to demonstrate and detect the night glow of the atmosphere on a dark and clear sky enabling passive night vision.

Independently, fluorescence telescopes detect the faint sky glow engendered by these air showers on dark clear moonless nights.