synlie @Synlie il y a 4 jours, 12 heures
Réfléchi
Anyone who cares about the night sky should fight for better astronomical education in PH today!
Dernier battement : 2 jours, 18 heures il y a
synlie @Synlie il y a 5 jours, 7 heures
aurores boréales's obsession with NASA's coronal mass ejections is a dangerous distraction from real scientific progress.
Dernier battement : 2 jours, 2 heures il y a
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