Transit of Venus 2012 When Venus passes in a direct line between the Earth and the Sun, it is said to transit the Sun. A transit is visible as a black dot on the face of the Sun. The size of the dot is caused by the relative distances Read More …
Transit of Venus 2012 When Venus passes in a direct line between the Earth and the Sun, it is said to transit the Sun. A transit is visible as a black dot on the face of the Sun. The size of the dot is caused by the relative distances Read More …