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Seeing this new @NASAHubble image celebrating the 30th anniversary of the telescope's launch and deploy, makes me so grateful that I was part of two of the @NASA crews that helped make this vision into the universe possible. #Hubble30
I’m super excited to share the cover for the middle grade adaptation of my book SPACEMAN, on-sale April 4, 2020. Pre-order your copy here! https://t.co/crQeIp7iyy
Wishing peace to everyone this holiday season, hoping we can make a collaborative effort to improve the world