Extra materiaal
Waarneming
Jeroen Wiedenhof
Een historisch voorbeeld
"A map of the stars, the oldest astronomical text known to mankind, appears to have been found by a student working on a summer project."
Naslag
Blackburn, Jack,
Hipparchus’s lost map found by star pupil
.
The Times
, 27 okt 22.
Murphy Paul, Annie,
How To Increase Your Powers of Observation
.
Time
, 2 mei 16.
laatste wijziging: 2 november 2022 |
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