想要从近地轨道拍一张地球的照片发朋友圈，并不难，真的。你只要发一颗卫星就行了。

▷人类发射的第一颗卫星，你现在用饼干盒子也能做到；

▷NASA发了个安卓手机到天上是为啥？

▷超级迷你的小卫星竟可以是像邮票一样大的一张小芯片；

▷我们也用旧手机改造一个大哥号小卫星吧！

▷想要用大哥号拍一张地球的照片，主要难度竟在于找不准方向；

▷拍照、传图，大哥号还能给大哥大号做部件测试；

▷一起来完成这项亲子科普小作业吧！

关键词：卫星、NASA、太空

纪念Taylor Hawkins，这期片尾曲放Foo Fighters 的Learn to Fly，翻唱演奏是1000个摇滚乐手和爱好者Rockin'1000。

片头曲/BGM：B minor, Probably 编曲：兔子博士

参考：

How a NASA Team Turned a Smartphone into a Satellite Business

https://www.nasa.gov/offices/oct/feature/how-a-nasa-team-turned-a-smartphone-into-a-satellite-business

How to build your own Sputnik

http://news.bbc.co.uk/2/hi/uk_news/magazine/7049002.stm

Nasa lets you build your own satellite with PhoneSat

https://www.wired.co.uk/article/nasa-satellite-android

PhoneSat-1 and -2 missions on Antares rocket maiden flight

https://directory.eoportal.org/web/eoportal/-/phonesat-1-and-2#Uo$lJ12deHerb

PhoneSat Flight Demonstrations

https://www.nasa.gov/directorates/spacetech/small_spacecraft/phonesat.html

The PhoneSat Series of Smartphone Nanosatellites

https://www.nasa.gov/sites/default/files/files/PhoneSatFactSheet-27May14(1).pdf

Wanna Launch a Satellite? You Can!

https://www.youtube.com/watch?v=0W_3x1wW7-M

Your Own Satellite: 7 Things to Know Before You Go

https://makezine.com/2014/04/11/your-own-satellite-7-things-to-know-before-you-go/

纳米卫星崛起，发射审批混乱？

http://stdaily.com/guoji/shidian/2018-05/30/content_675812.shtml

中学生“自制”小卫星下半年将升空

http://www.xinhuanet.com/politics/2018-04/24/c_1122730295.htm