Show HOW v HIGH IS THE ATMOSPHERE One would hardly think of ot looking to tho the moon foi tor Information about the height of tho the earths earth's atmosphere Yet It Is In Just that way Ivl evidence has hns been that the thc atmosphere extends extend'S much mien than titan was for tor a long time n assumed Observations ot of lunar eclipses made at Lord lArd ses se's observatory In Ireland have o shown that thal the thc quantity of ot heat derived from the moon which moon which heat hat l III Is of f course couse merely reflected sun heat at ju Just iut t tit IS moonlight moonlight moon moon- light Is only reflected begins lj lY to diminish several 1 s a n tho the shadow of ot tho earth i J caches tho the morn moen I ITh Tho Thit Is that tho the carrne at- at n pal cuts oft off tho the hun i as ast t It between L tho the moon anti and ho to sun ahead of the tho edgo eso of the tho solid earth arth and calculations based ll on the tho len length th of ot time during which th the loss Joss o of heat from tho the moon Is felt before tho the eclipse b bl- bl j- j gins ghia Indicate that our atmosphere reaches a h height of at least ono one 1 ansi and ninety miles How different this Is from the tho usually stated elated may bo be seen by consult consulting m a popular school book on Ml go- go raphy published d within a tow fw years lars In tn which it Is affirmed that beyond a of ot forty miles tho the amount nf of air remain n- n lug ing would b be too small ISmail to art ct the th suns eun's rays perceptibly In any Va way I II I |