Task: Translation
Input (English): English sentence: For example he observed the transit of Mercury across the disk of the sun in May 1799 and made careful, accurate observations which he published in the scientific literature.
Output (Tagalog): Halimbawa siya napagmasdan ng transit ng Mercury sa disk ng Linggo sa Mayo 1799 at gawin-ingat, tumpak na obserbasyon na kung saan siya nai-publish sa pang-agham literatura.