Author Question: In GUTs, the electromagnetic force and weak nuclear force were the first to separate; then came ... (Read 115 times)

schs14 · **on:** Jul 27, 2018

In GUTs, the electromagnetic force and weak nuclear force were the first to separate; then came gravity.

Indicate whether the statement is true or false

Question 2

Which of the following is a problem inherent in all large radio telescopes?

A) They are badly affected by poor seeing and atmospheric turbulence.
B) The lightest breeze shakes them, making the observations blurry.
C) Their waves are blocked by water vapor, so they must be located in deserts.
D) Radio waves have long wavelengths, so radio telescopes have poor resolution.
E) The dust clouds in the Milky Way block almost all wavelengths except light.