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日前,一株百日菊在国际空间站里悄悄地绽放,这朵盛开的小花引起了全世界人们的高度关注,因为这是人类在太空中培育的第一株在外太空开放的花朵。这株百日菊是美国宇航员斯科特在空间站培育的,从外观上看生长在太空中的百日菊与在地球上生长的百日菊差异不大,生长的周期为60至80天,只是因为在空间站微重力的作用下,百日菊的花瓣不能像在地球上那样呈现美丽的弧形。众所周知航天员要在太空中生活离不开氧气、水和食物,而将这些生活补给
Recently, a zinnias bloom quietly in the International Space Station. This blossoming floret has aroused great concern all over the world because it is the first flower in human space opened in outer space. This strain of zinnias is cultivated by the US astronaut Scott in the space station, from the appearance of space-grown zinnias and zinnias growing on the earth is not different, the growth period of 60 to 80 days , Just because the petals of the zinnia do not show a beautiful arc as they would on Earth under the effect of the microgravity in the space station. As we all know, astronauts in space can not live without oxygen, water and food, and these life supplies