16.5375 .................
        
             
        
        
        
Answer:

Explanation:
Given that,
An infrared telescope is tuned to detect infrared radiation with a frequency of 4.39 THz.
We know that,
1 THz = 10¹² Hz
So,
f = 4.39 × 10¹² Hz
We need to find the wavelength of the infrared radiation.
We know that,

So, the wavelength of the infrared radiation is  .
.
 
        
             
        
        
        
Because they are placed in different habitable zones 
 
        
             
        
        
        
Answer:
if it is a plastic connector it wont work but if there is metal or steel it will work
Explanation: