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Q&A: Ask Us Anything

5 Live Science Podcast

CHAPTER

You're Going Dolphins?

The world's first telegraph message got dispatched from Washington, D.C in 1832. But who sent it? Was that Samuel Morse, Guillermo Marconi or Joseph Henry? Venus takes 225 earth days to do one lap of the sun - but a day is longer than its year. And how many years does it take Neptune to travel around the solar system?

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