- #1
isha89
- 5
- 0
Hey,
In space missions why do they choose different frequencies for viewing stars?
For example why do they choose both 43 GHz and 230 GHz to view a black hole?
Cheers!
In space missions why do they choose different frequencies for viewing stars?
For example why do they choose both 43 GHz and 230 GHz to view a black hole?
Cheers!