Travelers In The Night A real "Science Snack" for anyone who is interested in the extraterrestrial. Dr. Al Grauer is a member of the Catalina Sky Survey which has led the world in near Earth asteroid discoveries for 17 of the past 19 years. The music is "Eternity" by John... Author: Albert D. Grauer Language: en Genres: Astronomy, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it Get all podcast data

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908-Head On
Friday, 17 July, 2026

Asteroid hunters find asteroids by looking for objects which change their position relative to the stars.  If an asteroid happened to match the Earth’s motion it might appear stationary and thus be virtually undetectable until it is right on top of us. The trick is finding potentially dangerous asteroids at some other point in their orbit so we know about them before they have a chance to approach Earth. 

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