Ballpark — May 28, 2026
Answers to that day's 5 daily estimation questions.
Total cars in the world
1.4 billion
The majority are in North America, Europe, and China.
Days the Apollo 11 mission lasted
8 days
Launched July 16, returned July 24, 1969.
Age of the oldest living tree (Methuselah)
4,850 years
A Great Basin bristlecone pine in California.
Words in the US Constitution
4,500 words
Including all seven articles.
Moon landing missions (Apollo)
6 missions
Twelve humans have walked on the lunar surface.