INCREASE OF THE EARTH'S MASS BY METEORS.

Grey River Argus, Volume XXXI, Issue 5257, 31 July 1885, Page 4

INCREASE OF THE EARTH'S MASS BY METEORS.

Dr Kleiber, of St Petersburg, has just published the results of investigations by himself and Dr Keller on the amount by which the earth's mass is increased each hour by the meteorß falling upon the globe from space. On an average it is said that a single observor will see about ten meteors per hour ; a single observer, however, does not command the whole of —the-sky above his horizon, actually only 23 per cent of it. But combining a series of separate deductions, it would appear that about 450,000 meteors fall on the surface of the whole earth each hour. The' average weight of a meteor, it is shown, may be taken at five grammes ; whence it follows that the earth receives hourly not less than 49501bs of foreign material.

The Berlin Aquarium has at last accomplished the difficult feat of showing a school of herrings in its sea-water basin. These fish are so delicate that when caught in their native element even a moment's exposure to the air will kill them. They had, therefore, to be caught under water, and to be carefully transported from the sea board.' Ten pit ,bf r nineteen which were taken in th&X&t'ic, near the Island of Rugen,reache%'Berlin alive.