Personalized Astronomy Geek Astronomer Space Gift Toddler T-Shirt. Funny astronomy geek Toddler T-Shirt - White with telescope and stars for an astronomer, astronomy major or star gazing enthusiast. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.