Author Question: The farthest bright galaxies that modern telescopes are capable of seeing are up to A) 10 billion ... (Read 81 times)

Jkov05 · **on:** Jul 27, 2018

The farthest bright galaxies that modern telescopes are capable of seeing are up to

A) 10 billion light years away.
B) 10 million light years away.
C) 1 trillion light years away.
D) 1 million light years away.
E) 1 billion light years away.

Question 2

What is the binding energy per nucleon for Al? The neutral Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. 1 u = 931.494 MeV/c2.

A) 8.3 MeV
B) 6.7 MeV
C) 5.4 MeV
D) 3.4 MeV
E) 2.8 MeV