From: entekhab.ir
Subject: چرا عصر یخبندان هر 100 هزار سال یک‌بار تکرار می‌شود؟
Date: Thu, 28 May 2026 23:00:00 +0330
MIME-Version: 1.0
Content-Type: multipart/related;
	boundary="--E464E5897DE6547D4A47356F464C1C8A_MULTIPART_MIXED";
	type="text/html"
X-MimeOLE: Produced By IRANSAMANEH.COM

This is a multi-part message in MIME format.

----E464E5897DE6547D4A47356F464C1C8A_MULTIPART_MIXED
Content-Type: text/html
Content-Transfer-Encoding: base64
Content-Location: http://mhtfile/index.html
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----E464E5897DE6547D4A47356F464C1C8A_MULTIPART_MIXED
Content-Type: image/vnd.microsoft.icon
Content-Transfer-Encoding: base64
Content-Location: http://mhtfile/favicon.ico
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----E464E5897DE6547D4A47356F464C1C8A_MULTIPART_MIXED--