What is the transit of Venus?
a.
When the orbit of Venus crosses the orbit of Earth
c.
When Venus can be seen from Earth and appears to shade the Sun
b.
When Venus can be seen from Earth and appears to be shaded by the moon
d.
When Venus can be seen from Earth and appears to trace a path across the face of the Sun


Please select the best answer from the choices provided

A
B
C
D