Planetary Protection – Definition & Detailed Explanation – Space Exploration Glossary

What is Planetary Protection? Planetary protection is a set of guidelines and practices designed to prevent contamination of celestial bodies, such as planets, moons, and asteroids, with Earth-based organisms. The goal of planetary protection is to preserve the integrity of these extraterrestrial environments and to ensure that any potential signs of life discovered on other … Read more

Polynesian Navigational Stars – Definition & Detailed Explanation – Astronomical History & Mythology Glossary

I. What are Polynesian Navigational Stars? Polynesian Navigational Stars are a group of stars that were used by the ancient Polynesians for navigation across the vast Pacific Ocean. These stars were crucial for guiding Polynesian voyagers on their long journeys between islands, allowing them to navigate without the use of modern tools such as compasses … Read more