The Cosmic Ladder That Lets Us Map the Universe

The video explains how astronomers measure cosmic distances using various methods, starting with parallax and trigonometry for nearby objects, and moving to standard candles like Cepheid variables for more distant ones. It highlights the cosmic distance ladder, a series of techniques that overlap to ensure accuracy, allowing astronomers to map distances from the Moon to the edge of the universe.

What new insight or understanding did you gain from this video?

Evaluate responses using AI:

OFF