Recent content by Davedave

Thanx again. My question was how long a radio message would take to get from Neptune to the earth. I guess I'm just being lazy, I could probably do the math easily by just finding out how fast radio waves in space go. I'm off to research an alternate mode of travel. Thanx again. edit: I just...

Thank you so much for your thoughtful replies, cat. Looks like you shot me down. I'm going to look at what you provided. Meanwhile, in the story, the ship never makes it anyway, I just wanted a brief description of the means of travel. Suggestions?

Hello. I hope I'm posting this in the right place. I'm writing a story that concerns space travel; not something that I know a whole bunch about. My biggest problem is “what will propel the ship?” This ship must be able to get to the Ross128 star system (11 light years from earth). QUESTION...