Author Question: Both the existence and the location of Neptune were predicted mathematically before the planet ... (Read 90 times)

KimWrice · **on:** Jul 27, 2018

Both the existence and the location of Neptune were predicted mathematically before the planet actually was detected by telescope.

Indicate whether the statement is true or false

Question 2

The product of the wavelength times the frequency of a wave is its ________.

Fill in the blank(s) with correct word