蝶形星云
课堂练习
➢显微镜镜筒两端各有一组(凸透)镜 ,靠近 眼睛的叫( 目镜),靠近被观察物体的是 ( 物)镜.
➢用显微镜观察物体时,物镜对物体所成 的像是一个放大的( 实 )像(填“虚”或 “实”),道理就像(投影仪)的镜头成像一样, 目镜的作用则像一个( )放再大次镜对这个像成 放大的( )(填“虚虚像像”或“实像”).
• 14、Thank you very much for taking me with you on that splendid outing to London. It was the first time that I had seen the Tower or any of the other famous sights. If I'd gone alone, I couldn't have seen nearly as much, because I wouldn't have known my way about.
• 10、人的志向通常和他们的能力成正比例。2021/3/172021/3/172021/3/173/17/2021 3:46:55 PM • 11、夫学须志也,才须学也,非学无以广才,非志无以成学。2021/3/172021/3/172021/3/17Mar-2117-Mar-21 • 12、越是无能的人,越喜欢挑剔别人的错儿。2021/3/172021/3/172021/3/17Wednesday, March 17, 2021 • 13、志不立,天下无可成之事。2021/3/172021/3/172021/3/172021/3/173/17/2021
1、 距地球两千八百万光年的宽边帽星系
2、 被命名为蚂蚁星云的Mz3