Comets

The video explores the nature and history of comets, their composition, and behavior as they approach the sun. It explains the formation of comet tails and their characteristics, discusses comet orbits and lifespan, and introduces the concept of the Oort Cloud. The video also covers missions that have studied comets up close, revealing their structure and composition. Finally, it considers the role of comets in Earth's history, including their potential contribution to the origins of life.

What historical significance did comets have for ancient civilizations?

What are comets primarily composed of?

What is the process called when ice in comets turns directly into gas?

How do comets form their tails?

What are the two different types of tails formed by comets?

Describe the difference between short-period and long-period comets.

What was significant about the Rosetta mission?

What role do comets play in the origin of water on Earth?

Explain the significance of the amino acids found in comet samples.

How do comets contribute to our understanding of the origins of life?