Here we can inform each other of the situation of the masses in night sky and important astronomical events in future and discuss about their conditions
The Sky At Night; The Forgotten Nature
Here we can inform each other of the situation of the masses in night sky and important astronomical events in future and discuss about their conditions
ویرایش توسط Fowad : 07-12-2011 در ساعت 08:01 AM
You do not really understand something unless you can explain it to your grandmother!Albert Einstein
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