Answer:
A non example of a galaxy is a star
Answer:

Explanation:
The relation between frequency and wavelength is shown below as:

c is the speed of light having value 
Given, Frequency = 1290 kHz =
(As 1 kHz = 1000 Hz )
Thus, Wavelength is:



Answer:
Th asner you geht whan Ypu mltiply to et
Explanation: