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Add new Web site: CORE - Contrail Formation: Analysis of Sublimation Mechanisms. |
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Nov 23, 2024 |
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Add new Web site: Nature - Nature Communications - Formation and radiative forcing of contrail cirrus. |
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Sep 16, 2024 |
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Add new Web site: Penn State Institute of Energy and the Environment - Growing Impact: Contrails and climate change. |
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Jul 22, 2024 |
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Add new Web site: Space.com - Contrails: What are they and how do they form? |
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Apr 19, 2024 |
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Added material about contrail formation. |
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Mar 25, 2020 |
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In the discussion of a conspiracy theory, added a space between "the" and "1990s." |
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Aug 11, 2018 |
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Add new Web site: Federal Aviation Administration - Aircraft Contrails Factsheet. |
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Aug 09, 2018 |
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Add new Web site: National Weather Service - Western Region Headquarters - What Is a Contrail and How Does It Form? |
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Aug 09, 2018 |
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Add new Web site: National Weather Service - Western Region Headquarters - What Is a Contrail and How Does It Form? |
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Aug 09, 2018 |
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Add new Web site: National Aeronautics and Space Administration - Contrails. |
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Aug 09, 2018 |
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Changed article title from "vapour trail" to "contrail." |
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Aug 06, 2018 |
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Added material about the chemtrail theory. |
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Aug 06, 2018 |
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Corrected display issue. |
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May 23, 2018 |
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Media added. |
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Aug 14, 2008 |
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Article added to new online database. |
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Jul 20, 1998 |