A model of the solar system/universe in which the Sun is assumed to lie at the centre, with the planets orbiting it.
Fact of the Day
Had you stolen an item over 14d in Halifax in 1600, you would be sentenced to die by gibbet
Quote of the Day
"I have offended God and mankind in not having laboured at my art as I ought to have done "
~ Leonardo da Vinci, speaking during his final illness to Francis I