Postcard #20140717
…a small black “teardrop” appears to connect Venus’ disk to the limb of the Sun, making it impossible to time the exact moment of contact accurately. Effetto Black Drop Visite: 1.584
…a small black “teardrop” appears to connect Venus’ disk to the limb of the Sun, making it impossible to time the exact moment of contact accurately. Effetto Black Drop Visite: 1.584