Starship Asterisk*

Nice! Thanks Bystander....actually that helped a great deal. Appreciate it!

I certainly appreciate this question, because I have struggled with parsecs and arcseconds for a couple of years. I still am not clear....What is an arcsecond and how do we know where a star is as observed from the sun when we can only observe it from earth. By calculating the difference between the...

What intrigues me is that they both look like they are on the same plane. So say in one of those galaxies there is a planet with civilization who are about advanced as we are. When they look out do they know that there is another galaxy next to them OR would they think they were looking across a hug...