Question

What is the main drawback of Earth based optical telescope ? *

1 point

Can receive only visible light/ radiation

Cloud over in Earth's atmosphere can be a barrier

City lights put limitations

All the above​

Answer 1

Explanation:

Because of the protective effect of the atmosphere, ground-based telescopes can't pick up the lethal, invisible portions of the electromagnetic spectrum such as ultraviolet rays, x-rays and gamma rays

Answer 2

What is the main drawback of Earth based optical telescope ? *

1 point

Can receive only visible light/ radiation

Cloud over in Earth's atmosphere can be a barrier

City lights put limitations

All the above