エレナダナーンからの反論ww WITH JUST TWO STICKS AND A BRAINIn the mid-20th century, we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000...youtube.comカールセーガン。upヌシエレナダナンチャンネル。2022年5月11日up。
WITH JUST TWO STICKS AND A BRAINIn the mid-20th century, we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000...youtube.com