Author Question: Both Pluto and Charon are tidally locked to always keep the same faces toward each other, rotating ... (Read 53 times)

awywial · **on:** Jul 27, 2018

Both Pluto and Charon are tidally locked to always keep the same faces toward each other, rotating and revolving around their common center of mass every 14.2 hours.

Indicate whether the statement is true or false

Question 2

As far as you look, there seems to be nothing at all. Even the nearest electron is light-years away. No matter how far you travel, you can find no solid matter, not even a single proton. It's as if all of the matter in the universe has disintegrated.

You do, however, detect a few strong gravitational fieldsprobably due to supermassive black holesat enormous distances from you. Where are you?
A) You are in the universe when it is 1040 years old.
B) You are in the universe when it is 10100 years old.
C) You are in the GUT era of the early universe during the period of inflation.
D) You are in the Planck Era of the early universe.
E) You are in the central regions of a quasar.