While Roosa began training for his mission, the Forest Service approached the astronaut to ask if he would carry some seeds to the Moon among his personal items. He readily agreed and a Forest Service geneticist chose a selection of five species: Douglas fir, loblolly pine, redwood, sycamore, and sweetgum.

อ่านต่อเพิ่มเติม> โรงเรียนวัดเขาปิ่นทอง
สาระน่ารู้> แพทย์