Science and Nature Quiz for 18 April 2012

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

Question 1: The first European scientific observation of a transit of Venus (when Venus passes between the Sun and Earth, and can be seen as a small black disk moving across the face of the Sun) was made by Jeremiah Horrocks and William Crabtree in England in what year?