时差N小时:如何制作陨石坑?(上)
日期:2017-11-20 18:35

(单词翻译:单击)

mHq#%~tv%(|Uvdc%Nt*iLJRu

What makes science really fun is when you get to do things yourself, so today we’re going to be making moon craters.
科学真正有趣的时刻是当你亲身实践的时候,今天咱们来一起制作月球陨石坑吧!
They’re the roundish blast-marks left on the moon’s surface by ancient meteorites.
陨石坑是古代陨石撞击月球表面后留下圆形痕迹Ck,^[NwF9]c~pMB*T
The moon’s surface is covered with literally billions of impact craters, and some of them are bigger than a fair-sized city on earth.
月球表面有数十亿的陨石坑,有的陨石坑甚至比地球上某个大城市还要大Vb|4_u(3Apa!-zZXpG

EV7oa;LON!4,68

shicha89.jpg

G61&!;=_kA5~eaGUO


You can see the bigger ones just with the naked eye, and with a pair of binoculars you can make out many more.
通过肉眼,你只能看到月球表面较大的陨石坑,如果使用望远镜的话就能看到更多陨石坑!=&%|O)oeDa
So now let’s make some of our own. Take a wide, flat pan, such as the kind you’d bake cookies in.
现在,咱们来自己制作陨石坑吧XM2.+kGzB(s=7jEY3m[。找一个宽的平底锅,类似于平时烘焙饼干的那种~,=zKO%LM,5;XRMp
Take it outside, because this gets kind of messy! Poor flour or baking soda or sand across the bottom so it makes a thick, flat surface.
最好到户外做,因为实验现场会一团糟iTvUgU~S%A,@l.pJWzuV。将面粉、小苏打或沙子倒进锅底,形成一层厚实、平坦的表面%WrXGBpACkpylPb
That’s your undisturbed moon.
这就像未受到过撞击的月球表面O-XqF5G,4]NdL0

83d-K_ReD74B|VYm#d

译文为可可英语翻译,未经授权请勿转载!

^i&no8|;~CVS0TIqaY|GAuzs;ysy9Oou%~]WNzgszz@Xe-g
分享到