https://habitablezone.com/2013/06/10/nlcs/ Wed, 22 Apr 2026 17:08:48 -0700 hourly 1 http://wordpress.org/?v=3.3.1 https://habitablezone.com/2013/06/10/nlcs/#comment-24552 podrock Tue, 11 Jun 2013 04:58:26 +0000 http://habitablezone.com/?p=33803#comment-24552 As long as they can trapped at those altitudes. Must have had some great ones after the K-T impact. I often wonder if there was enough debris from that impact to create a short lived (million year scale) planetary ring. As long as they can trapped at those altitudes. Must have had some great ones after the K-T impact. I often wonder if there was enough debris from that impact to create a short lived (million year scale) planetary ring.

]]> https://habitablezone.com/2013/06/10/nlcs/#comment-24551 alcaray Tue, 11 Jun 2013 04:45:49 +0000 http://habitablezone.com/?p=33803#comment-24551 ...that those sunset/after-dark clouds caused by high-flying jets and rocket launches were called noctilucent clouds. This piece sounds like it would exclude them from the definition. …that those sunset/after-dark clouds caused by high-flying jets and rocket launches were called noctilucent clouds. This piece sounds like it would exclude them from the definition.

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