From: entekhab.ir
Subject: پاسخ تازه دانشمندان به یک سوال: چند سال دیگر می‌توان با تمدن‌های بیگانه فرازمینی ارتباط برقرار کرد؟
Date: Wed, 29 Apr 2026 21:26:18 +0330
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