日にち面めん通つう過か

noun

solar transit; transit of a planet across the sun

Astronomical term for a planet passing directly between Earth and the sun, appearing as a small dot moving across the solar disk. Compare 太陽面通過, which is a more general term for any solar transit.

See also: 太陽面通過

• 金きん星せいの日にち面めん通つう過かは、次じ回かいは百ひゃく年ねん以い上じょう先さきだ。

  The next transit of Venus across the sun is more than a hundred years away.

• 水すい星せいの日にち面めん通つう過かを観かん測そくするには、専せん用ようのフィルターが必ひつ要ようだ。

  To observe a transit of Mercury, a special solar filter is necessary.