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Ever wonder what's happening outside our own atmosphere? Well this piece answers questions about our history, our solar system, and about lands further away than your imagination can go. The Transit of Venus captured the imagination of astronomers 300 years ago and helped them find the astronomical unit (distance of the Earth from the Sun). Today, data from the transit will help astronomers learn about planets belonging to far off stars billions and billions of kilometres away. If you're only listening to this now, you will never be able to witness the Transit of Venus in your lifetime, but it's something your children and their children could be lucky enough to see. Makes you wonder what sort of questions they'll be answering in over a century.