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I’ve teamed up with BBC Focus magazine and Quercus Books to answer your biggest questions about the Universe.


The idea began with my book The Big Questions: The Universe published last summer by Quercus Books. It has been staggering how many questions you all have!  I’ve given lectures across the country and run a series of #askdrstu Twitter chats - and still the questions keep coming.



Now those super editors at BBC Focus have asked me to take it into hardcopy.

So what is it that you have always wanted to know about the Universe?  You know, that question you have never known who to ask before.  Submit your questions here by clicking on the comments link below, tweet me @DrStuClark or @BBCFocus, or leave comments on my Facebook page or BBC Focus’s Facebook page.  Alternatively, just email This email address is being protected from spambots. You need JavaScript enabled to view it..


The top five questions as chosen by BBC Focus will win a top astronomy book and be answered by me in a future issue of the magazine. Stay tuned for more information!  Get thinking and get asking!

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