The orbit of Venus, for example, is inclined 3.4 degrees to Earth's orbit, so even when Venus is in the same direction as the sun (“in conjunction,” as astronomers say), most of the time it is too far above or below the ecliptic to cross the sun's face [s
The orbit of Venus, for example, is inclined 3.4 degrees to Earth's orbit, so even when Venus is in the same direction as the sun (“in conjunction,” as astronomers say), most of the time it is too far above or below the ecliptic to cross the sun's face [s
例如金星轨道和地球轨道有3.4度的夹角，因此即使金星和太阳在同一个方位（天文学家称之为「合」），大部份时候金星都远在黄道的上方或下方，而不是横过太阳表面（见右页〈金星凌日的几何学〉）。