Most are elliptical or cigar-shaped , but the soap bubble nebula is a rare sphere .
大部分行星状星云呈椭圆形或雪茄形,但肥皂泡星云呈现出一种罕见的球形。
If the earth were inside an elliptical galaxy it would be bright both day and night .
如果地球是一个椭圆形的星系内,将是光明的两个白天和黑夜。
Now use the elliptical marquee tool and create a circular selection as shown .
现在使用椭圆选框工具创建一个圆形选区,如下图。
Nasa 's galaxy evolution explorer found evidence that black holes -- once they grow to a critical size -- stifle the formation of new stars in elliptical galaxies .
You regularly hear about the benefits of exercise in news stories , but if you read the academic papers on which these stories are based , you frequently see that the research subjects who were studied didn 't clobber themselves on the elliptical machine .
My earliest attempts at harvesting those clues amounted to eavesdropping , a strategy I abandoned after a series of inevitable backfires that culminated in the purchase of an elliptical trainer .