25402
xsd:long
2007-11-23T13:14:29+00:00
xsd:dateTime
approved
2019-06-05T15:31:31+00:00
xsd:dateTime
2007-11-23T13:14:29+00:00
xsd:dateTime
astronomie @nl
sterrenkunde @nl
astrofysica @nl
kometen @nl
astronomie @nl