Author Question: If a star system at 30 parsecs distance is found to be broadcasting intelligent radio signals, then ... (Read 43 times)

Themember4 · **on:** Jul 27, 2018

If a star system at 30 parsecs distance is found to be broadcasting intelligent radio signals, then their news is already ________ years old.

Fill in the blank(s) with correct word

Question 2

The impact of which comet helped establish the importance of impacts in our solar system?

A) Kohoutek
B) Hale-Bopp
C) Halley's Comet
D) Comet ISON
E) Shoemaker-Levy 9