Citizen's Protection against NEOs Colorado-based group keeps an eye on the night sky for Near Earth Objects. Visitors can find membership info, recent news, and collision updates. Doomsday Asteroid - Nova Online Explore the farthest reaches of space with this PBS site and learn more about asteroids, comets, meteors, and their relationship to Earth. May we live long and die out. Thank you for not breeding.
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Extinction Extinction Extinction occurs when all living representatives of a group die out. This has happened to many kinds of plants and animals in the Earth's history. The environment that we live in is always changing. Plants and animals that cannot adapt t Comets Comets U nlike the other small bodies in the solar system, comets have been known since antiquity. Extinction Extinction Extinction is a normal part of evolution.