Celestia Forums

Thanks a lot ajtribick!

Thank you very much for the link Selden. And many thanks to MKruer and Andy74 as well

For the traveler looking out at the universe, they would see the universe aging, stars would be created and then die, galaxies would collided, and black holes burnout (theoretically they would see the end of the universe in an instant) because they would not age, but the universe world. From a pers...

I read this in wiki and it makes no sense: "Voyager 1 is not heading towards any particular star, but in about 40,000 years it will be within 1.6 light years of the star AC+79 3888 in the Ophiuchus constellation." I marked AC+79 3888 in Celestia and turned on Voyager 1's route. Voyager 1 i...

Hello all, I am new to this forum and was so excited to discover Celestia and this community. IRL few share such interests :) I would like to ask a question that I cannot solve on my own please. The light takes aproximately 8 mins to reach earth from the sun. However how much time does the light exp...