Need a little #space on your wall? Download the printable Chandra #2020 #calendar filled with spectacular images from the 20th anniversary year of #NASA's Chandra X-ray Observatory!📆 It's #free! https://t.co/Ct8CSGidLU #Chandra20 #HappyNewYear! 🎉 https://t.co/uH2FTIZ80B
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