Tag Archives: space

Size – Solar System

Posted on 2013-11-13 by arjaybe

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 →

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Dark Flow

Posted on 2013-01-11 by arjaybe

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 →

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Interstellar Travel – Part Four

Posted on 2012-11-10 by arjaybe

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 →

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