Far above the earth ,the first Amerian to circle the earth w

Far above the earth ,the first Amerian to circle the earth w The earth is a circle是什么意思 how far is it to the centre of the earth? come to the earth return to the earth The Earth is far _____ the sun. down to the earth歌词 Back to the Earth 歌词 When was the first Earth Day celebated? on the earth on earth on earth on the earth It took Yang Liwei about 21 hours to circle the earth 14 tim