Incredible free ebooks from NASA (kindle ready and more)(nasa.gov)

48 pointsby outwork9 ปีที่แล้ว1 comments

Incredible free ebooks from NASA (kindle ready and more)

https://www.nasa.gov/connect/ebooks/index.html

1 comments

sotu9 ปีที่แล้ว

Thanks for sharing! These resources - especially the explorer guide are interesting. There's even astronaut profiles within the side if you dig around in the nav.