Michael Buerk presents a live programme from Penzance in Cornwall to start the countdown to tomorrow's solar eclipse. Dr Mark Porter advises on safe solar viewing, Jamie Theakston examines eclipse mysteries, and Patrick Moore gives guidance on what to look out for. Plus Philippa Forrester looks at the effect on animals and plants, and Helen Young gives a weather update for the big day.
Live coverage begins tomorrow morning at 9.45am.
(Subtitled)