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doc#122 | chlorine concentration was about <formul>. Sets |
doc#123 | the sun in about 60 million years |
doc#123 | a distance of about <formul> km of |
doc#123 | captured into orbits about the Earth. |
doc#123 | very satisfactory guess about the micrometeorite flux |
doc#123 | than <formul> for about 1000 events in |
doc#123 | . They quote about the same mass |
doc#123 | a momentum threshold about 40 times greater |
doc#123 | threshold mass of about <formul> corresponds to |
doc#123 | dust is orbiting about the Earth, |
doc#123 | Earth, only about one third the |
doc#123 | in circular orbits about the sun, |
doc#123 | extrapolated fluxes are about an order of |
doc#123 | nickel content is about 2.5 per cent |
doc#123 | an accretion of about <formul> tons per |
doc#123 | globe, or about <formul>. BIOLOGICAL |
doc#124 | nozzles were only about 5 per cent |
doc#126 | full grown in about ten days. |
doc#126 | some cases housed about 2,000 individuals when |
doc#126 | . There are about 200 different kinds |