All Questions
Tagged with humanitystar artificial-satellite
4 questions
0
votes
2
answers
116
views
Tradeoffs using a battery/motor/gyro versus tangential thrusters to spin a spherical shell in space?
Using the Humanity Star (see this answer for example for background/context), consider two possibilities for spinning a small spherical shell at a low rate, say perhaps in the neighborhood of 2 to 10 ...
- 151k
2
votes
1
answer
513
views
It's been over two weeks now, will the real Humanity Star please stand up?
edit: This must be some kind of record! (cf. ISRO's PSLV-C37 with 104 satellites - after 56 hours only six TLEs, which factor is greatest challenge? This time its only six total!)
At the end of ...
- 151k
3
votes
1
answer
1k
views
Why would Humanity Star not be visible from North America (USA?) until March?
A quote near the end of the BBC's article 'Disco ball' put into space from NZ says:
Jonathan McDowell, a satellite-tracker and astronomer at the Harvard-Smithsonian Center for Astrophysics, ...
- 151k
6
votes
2
answers
764
views
Does Humanity Star have non-reflective triangular panels? If so, what are their characteristics?
Rocket Lab has successfully launched a rocket from New Zealand and placed several objects in orbit, see here for example. One payload is New Zealand's first satellite the Humanity Star, a reflective ...
- 151k