 That the velocities of meteorites are materially changed by the resistance of the atmosphere, and, in general, by a fractional part of the velocity which is independent of the velocity of approach.  Bulletin - Seite 261916Vollansicht - Über dieses Buch
 | 1908 - 752 Seiten
...case we have unquestionable proof in the luminous trains of meteors, and HE Wimperis1 has calculated that "no iron meteor the original weight of which...than 10 to 20 pounds reaches the earth's surface," being entirely consumed in its passage. Schiaparelli, as quoted by Fletcher,2 has shown that if a ball... | |
 | Royal Society of New South Wales - 1907 - 476 Seiten
...approach ; that the superior limit for incandescence is about 150 miles above the earth's surface, and that no iron meteor, the original weight of which was less than 10 to 201bs, reaches the earth's surface, and that when a meteor does so, the temperature of its centre is... | |
 | Sir Norman Lockyer - 1905 - 1044 Seiten
...general, by a fractional part of the velocity which is independent of the velocity of approach. (f>) That the superior limit for incandescence is probably...the original weight of which was less than 10 to 20 Ib. reaches the earth's surface, and that when a meteor does do so the temperature of its centre is... | |
 | William Healey Dall - 1908 - 760 Seiten
...case we have unquestionable proof in the luminous trains of meteors, and HE Wimperis' has calculated that "no iron meteor the original weight of which...than 10 to 20 pounds reaches the earth's surface," being entirely consumed in its passage. Schiaparelli, as quoted by Fletcher,2 has shown that if a ball... | |
 | 1908 - 742 Seiten
...case we have unquestionable proof in the luminous trains of meteors, and HK Wimperis1 has calculated that "no iron meteor the original weight of which was less than IO to 20 pounds reaches the earth's surface," being entirely consumed in its passage. Schiaparelli,... | |
 | United States National Museum, George Perkins Merrill - 1916 - 628 Seiten
...hence have to overtake us, so that they apparently move very slowly, their speed being only 11 miles per second. The Leonids above referred to, together...liquid air (assuming the temperature of space to be *ero).* All statements relative to the temperature of meteorites immediately after reaching the ground... | |
 | Sir Norman Lockyer - 1905 - 1048 Seiten
...conclusion, the result of the investigation may be said to have created a strong presumption in favour of the following general deductions : — (a) That...the original weight of which was less than 10 to 20 Ib. reaches the earth's surface, and that when a meteor does do so the temperature of its centre ii... | |
 | Royal Society of New South Wales - 1907 - 434 Seiten
...approach ; that the superior limit for incandescence is about 150 miles above the earth's surface, and that no iron meteor, the original weight of which was less than 10 to 201bs, reaches the earth's surface, and that when a meteor does so, the temperature of its centre is... | |
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