Question

英语翻译我要用英语介绍一些太空的知识,帮我用英语翻译一下~最好是初二学的能看懂的,宇宙中星系总数为500亿,太阳系有八大

Answer 1

There are 50 billion galaxies in the universe.There are eight planets in the solar system ,and the earth is one of them.People always want to explore the space.Gagarin,the pilot from the Soviet Union,was the first humanbeing who fly into space,he took the spacecraft orbit the Earth on April 12 in 1961 .Yang Liwei was the first Chinese people who fly into space,he took Shenzhou 5 spacecraft at 5 o'clock on October 15 in 2003 and he had stayed in space for 21 hours.Life has not been found on the Moon or Mars by people so far.And we will continue to explore space.