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https://portal.uni-koeln.de/en/universitaet/aktuell/press-releases/single-news/arrival-delayed-water-carbon-and-nitrogen-were-not-immediately-supplied-to-earthEarth’s atmosphere stretches out to the Moon – and beyond / Space Science / Our Activities / ESA
http://www.esa.int/Our_Activities/Space_Science/Earth_s_atmosphere_stretches_out_to_the_Moon_and_beyondOur planet’s heart is watery : Research Highlights
https://www.nature.com/articles/d41586-020-01488-1Persistent influence of obliquity on ice age terminations since the Middle Pleistocene transition | Science
https://science.sciencemag.org/content/367/6483/1235Summer Solstice 2020 and the Search for Life in the Galaxy - The New York Times
https://www.nytimes.com/article/summer-solstice-meaning-sunset.html