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.@neiltyson calls them \u201cspace diatoms,\u201d but I say \u201cspace whales.\u201d They\u2019re beaching themselves on our interstellar shores. Question is: why? \u2014Tweet by @lilmeyer, January 7, 2021 | \xa9 2014 by Jeremiah Tolbert. Narrated by Stefan Rudnicki.\nLearn more about your ad choices. Visit megaphone.fm/adchoices