Видео с ютуба How To Measure A Planet

How to Measure a Planet?

Carl Sagan explains how Eratosthenes calculated circumference of the Earth

THE GATHERING - How To Measure A Planet? (full track)

How Eratosthenes calculated the Earth's circumference

How to Measure Earth?

How Do We Measure How Big the Universe Is?

How to Measure the Planet’s Heartbeat | Yadvinder Malhi | TED

Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting

Terence Tao on the cosmic distance ladder

How to Measure a Planet? (Live)

How Do We Measure the Distance to Stars?

Measure the Earth’s Radius! (with this one complicated trick)