Mark is the Chairman of the Norwich Astronomical Society and has been interested in all things heavenly since he was a kid.

So whether you're new to astronomy or have been wondering about life on Mars, ask him a question and find out something new about the planets in our solar system.

To ask Mark a question fill in the form below. Don't forget to check the astronomy section for the answers.

Send your question to Mark by filling in the form below.

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Book review: The Inventors

Jake pops back home

Gardening with grandpa Gipp