![Figure 1. Black drop effect during contact inside the transit of Venus June 2004. Although the effect is less visible in the transits of Mercury it can also be seen just in the second and third contact (credits J.C. Casado starryearth). Figure 1. Black drop effect during contact inside the transit of Venus June 2004. Although the effect is less visible in the transits of Mercury it can also be seen just in the second and third contact (credits J.C. Casado starryearth).](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/prensa1060_1834.jpg?itok=hbfzn6_A)
In 2012 it was Venus. Now it’s time for Mercury to pass in front of the Sun. For nearly 8 hours on May the 9th, we will have the opportunity to see the Planet Mercury as an small black point transiting on the surface of the Sun.
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