Acknowledgements

Special thanks to...

NASA

Google Forms

Google Groups

https://www.nasa.gov/audience/forstudents/5-8/features/F_Astronauts_in_Training.html

You X Ventures on Unsplash

https://www.spacetelescope.org/images/

Akson on Unsplash

Genty from Pixabay

GIPHY

Dan Burton on Unsplash

Quora

https://www.its.caltech.edu/~kip/index.html/PubScans/VI-47.pdf

Mathew Schwartz on Unsplash

Wikipedia

https://simple.wikipedia.org/wiki/Main_Page

UC Davis

The Planetary Society

The Planetary Society on YouTube

Gunter's Space Page

Bob Behnken (@AstroBehnken) on Twitter

Universe Today

SpaceX on Unsplash

Boba Jovanovic on Unsplash

Mika Baumeister on Unsplash

www.nationoflights.com

www.exclusive-networks.com

Dark Space on YouTube

Gfycat

https://siu.edu/

Allec Gomes on Unsplash

Priscilla Du Preez on Unsplash

Headway on Unsplash

CardMapr on Unsplash

Martin Adams on Unsplash

Sven Kucinic on Unsplash

Bill Jelen on Unsplash

Live Science

SpaceFlight Insider

Nate Tracy on YouTube

Ameen Naksewee on Artstation

https://www.ptwdosimetry.com/en/

Extreme Tech