Tag Archives: space

Size – Solar System

The American National Optical Astronomy Observatory has provided a model that can be used to visualize the size of the Solar System. Various objects are used to represent the Sun and planets, such as a ball for the Sun and … Continue reading

Posted in Uncategorized | Tagged , , , | 7 Comments

Dark Flow

The known universe is about 27.4 billion light years across. It’s thought that the universe is bigger than that, possibly a lot bigger, but we can’t see farther than 13.7 billion light years in any direction. Our knowable universe is … Continue reading

Posted in Uncategorized | Tagged , , | 6 Comments

Interstellar Travel – Part Four

See also parts one, two and three. We’ve covered methods of interstellar travel that are achievable with presently understood technology, such as light sails and generation ships. We’ve also looked at methods that we can’t do yet but might be … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment