Conversation so far:
What did James Cook do?
On 25 May 1768, the Admiralty commissioned Cook to command a scientific voyage to the Pacific Ocean.
Did James Cook do a good job commanding?
What happen to James Cook in 1769?
James Cook's voyage was to observe and record the 1769 transit of Venus across the Sun, which would help determine the distance of the Earth from the Sun.
What happen to James Cook in 1770?
James Cook voyaged west, reaching the southeastern coast of Australia in 1770, and in doing so his expedition became the first recorded Europeans to have encountered its eastern coastline.
Are there any other interesting aspects about the james Cook article?
The site where James Cook was killed in Hawaii was marked in 1874 by a white obelisk set on 25 square feet of chained-off beach.

Question: Why did he stop?
Self-contained rewrite: Why did James Cook stop exploring?