Claudius Ptolemaeus (about 85~165 BC)

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Claudius Ptolemaeus (about 85165 BC)
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Copernicus solar system
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Cogito ergo sum I think, therefore I am. ?????
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things. ????????????,???????????????????,??????????
??? René Decarte (1596-1650) ?????? ???????
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????? ?????(Democritus, 460-370
BC)?????????????????? ????,Galileo????????????????
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The Greek philosopher Democritus (460 BC370 BC)
was the first known person to propose that the
Milky Way might consist of distant stars. Actual
proof of this came in 1610 when Galileo Galilei
used a telescope to study the Milky Way and
discovered that it was composed of a huge number
of faint stars.
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Io Ganymade Europa Callisto
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Jupiter and Io
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?????? carbonaceous chondrite
?????achondrite
???? stony-iron meteorite
???? iron meteorite
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The Willamette Meteorite (composed of over 91
iron and 7.62 nickel, with traces of cobalt and
phosphorus) was discovered in the Willamette
Valley of Oregon,US.
UserDante Alighieri
???? http//research.kahaku.go.jp/department/engi
neering/3/inseki/koube_inseki2.html
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????????????????????????, ????????140?? ?????????
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eDt/t
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Planet?????????
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How to be critical? How to be creative?
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