Annual Report of the Board of Regents of the Smithsonian Institution |
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Сторінка 164
The corona during the same period always undergoes a definite evolution .
Toward the epoch of sun - spot minimum the polar rays are fine and vertical like
the bristles of a brush . The jets in the middle and mean latitudes are much longer
and ...
The corona during the same period always undergoes a definite evolution .
Toward the epoch of sun - spot minimum the polar rays are fine and vertical like
the bristles of a brush . The jets in the middle and mean latitudes are much longer
and ...
Сторінка 387
They are soon followed by much longer periods , during which the internal forces
of the earth are quiescent but in which the ... It is believed that China , in
consequence of such a period of quiescence , ? was reduced to a lowland from
which ...
They are soon followed by much longer periods , during which the internal forces
of the earth are quiescent but in which the ... It is believed that China , in
consequence of such a period of quiescence , ? was reduced to a lowland from
which ...
Сторінка 621
The periods of destruction and renovation in the different palaces do not wholly
correspond . Both at Knossos and at Phaestos ... Another catastrophe followed at
Knossos at the end of the third middle Minoan period . At Phaestos , on the other
...
The periods of destruction and renovation in the different palaces do not wholly
correspond . Both at Knossos and at Phaestos ... Another catastrophe followed at
Knossos at the end of the third middle Minoan period . At Phaestos , on the other
...
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