Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [space]

The tag has no usage guidance.

2
votes
0answers
332 views

Does the Black Knight satellite exist? [closed]

Is there an unidentified satellite, known as the Black Knight satellite, in a retrograde orbit around the Earth?
-4
votes
1answer
202 views

Has Virgin Galactic flown any tourists yet [closed]

I'm not sure if I'm supposed to post this question in https://space.stackexchange.com/ or https://travel.stackexchange.com/ but today I heard from a friend for the first time that Virgin Galactic has ...
11
votes
1answer
887 views

Does China plan to launch artificial moons?

A recent news report suggests that China has an ambitious plan: to send three artificial moons into space in the next four years that would be bright enough to replace the streetlights in the ...