One of the rare transits of Venus occurred on June 8, 2004; another will occur on June 6, 2012; then there will be no more until 2117, probably not within the lifetime of those reading this. A transit of Venus cannot be seen with the naked eye. Observing a transit of Venus requires '''great attention to eye safety''' and a telescope ''equipped with a safe sun filter'' or a special transit viewer. | One of the rare transits of Venus occurred on June 8, 2004; another will occur on June 6, 2012; then there will be no more until 2117, probably not within the lifetime of those reading this. A transit of Venus cannot be seen with the naked eye. Observing a transit of Venus requires '''great attention to eye safety''' and a telescope ''equipped with a safe sun filter'' or a special transit viewer. |