 | James Samuelson, Sir William Crookes - 1877 - 600 páginas
...an amount of heat that would dissipate the earth into vapour, though the striking body might not be heavier than a cannon-ball. There is, however, nothing...the velocity which we have found would be required to generate the 50 million years' heat in the case of the two supposed bodies. A comet having an orbit... | |
 | 1877 - 612 páginas
...an amount of heat that would dissipate the earth into vapour, though the striking body might not be heavier than a cannon-ball. There is, however, nothing...the velocity which we have found would be required to generate the 50 million years' heat in the case of the two supposed bodies. A comet having an orbit... | |
 | 1878 - 770 páginas
...found would be required to generate the 50,000,000 years' heat in the case of the two supposed bodies. A comet having an orbit extending to the path of the...velocity of about 390 miles per second, which is within eighty-six miles of that required. It must be borne in mind, however, that the 476 miles per second... | |
 | 1878 - 516 páginas
...of heat which would cover the present rate of the sun's radiation for a period of 50,000,000 years. so near the sun as to almost graze his surface in...velocity of about 390 miles per second, which is within eighty-six miles of that required. It must be borne in mind, however, that the 476 miles per second... | |
 | 1878 - 522 páginas
...which would cover the present rate of the sun's radiation for a period of 50,000,000 years. There is nothing very extraordinary in the velocity which we have found would be required to generate the 50,000,000 years' heat in the case of the two supposed bodies. A comet having an orbit... | |
 | James Croll - 1885 - 360 páginas
...found would be required to generate the 50 millions years' heat in the case of the two supposed bodies. A comet having an orbit extending to the path of the...390 miles per second, which is within 86 miles of that required. It must be borne in mind, however, that the 476 miles per second is the velocity at... | |
 | James Croll - 1885 - 352 páginas
...an amount of heat that would dissipate the earth into vapour, though the striking body might not be heavier than a cannon-ball. There is, however, nothing...the velocity which we have found would be required to generate the o0 millions years' heat in the case of the two supposed bodies. A comet having an orbit... | |
 | James Croll - 1889 - 142 páginas
...50,000,000 years. 1 There is nothing extravagant in the assumption of such a velocity. A comet, for example, having an orbit extending to the path of the planet...graze his surface in passing, would have a velocity within 86 miles of what we have assumed. Twice this assumed velocity would give 200,000,000 years'... | |
 | 1878 - 1060 páginas
...which would cover the present rate of the sun's radiation for a period of 50,000,000 years. There is nothing very extraordinary in the velocity which we have found would be required to generate the 50,000,0<iO years' heat in the case of the two supposed bodies. A comet having an orbit... | |
 | Sir Norman Lockyer - 1878 - 550 páginas
...which would cover the present rate of the sun's radiation for a period of 50,000,000 years. There is nothing very extraordinary in the velocity which we have found would be required to generate the 50,000,000 years' heat in the case of the two supposed bodies. A comet having an orbit... | |
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... heat in the case of the two supposed bodies. A comet having an orbit extending to the path of the planet Neptune, approaching so near the sun as to almost graze his surface in passing, would have a velocity of about 390 miles per second, which is... 