Show heat from the stars pi of nichols the astronomer made a wonderfully delineate delie ate instrument some time ago to measure very faint heat waves it is so sensitive to heat that it registers the warmth that ema nates from a man s face 2 feet or more than a third of a mile away with this instrument prof nichols ened experiments in the yerkes ob atory he selected the two stars vega and arcturus these stars are so far away from the earth that the human mind cannot conceive the dis tance no instrument had ever been able to detect the slightest warmth them prof nichols succeeded with his ap bllance he found that arcturus Alc turus sends the earth as much heat as a man could get from a candle burning six miles away from him vega was found to send only halt as much heat as this |