Author Question: The objective of most radio telescopes is similar to the objective of a reflecting optical telescope ... (Read 83 times)

newyorker26 · **on:** Jul 27, 2018

The objective of most radio telescopes is similar to the objective of a reflecting optical telescope in that

a. they are both concave in shape
b. they are both convex in shape
c. they are typically the same size
d. they are both made of metal.
e. they have nothing in common.

Question 2

The theory that the collapse of a massive star's iron core produces neutrinos was supported by

a. the size and structure of the Crab nebula.
b. laboratory measurements of the mass of the neutrino.
c. the brightening of supernovae a few days after they are first visible
d. underground counts from solar neutrinos.
e. the detection of neutrinos from the supernova of 1987.