Ballpark — August 8, 2026

Answers to that day's 5 daily estimation questions.

Depth of the Mariana Trench

36,000 feet

The Challenger Deep is the deepest known point.

Countries that share a border with Brazil

10 countries

Only Chile and Ecuador do not border Brazil.

Height of Mount Everest

29,025 feet

Officially measured from sea level.

Distance from Earth to Mars at its closest

34 miles (millions)

Occurs during a close opposition.

Hours a sloth spends moving each day

1 hour

Most of their day is spent sleeping or digesting.