Why the 1st private lunar lander failed 

 Astrobotic says the Peregrine lunar lander, aka the first private moon mission, failed because of a faulty valve. 

https://cdn.mos.cms.futurecdn.net/ieDdgov6NfGdmZZPtzijFP.jpg

https://www.space.com/peregrine-lunar-lander-failure-why