Scientists Are Preparing for a Tunguska-Sized Asteroid Threat in a New Planetary Defense Exercise

· Thedebrief · Oct. 19, 2026, 3:46 p.m.
Breaking News Defense space Asteroid NASA astronomy space science Planetary Defense
Summary
This blog post discusses a planetary defense exercise being prepared to address potential asteroid threats, featuring insights from a NASA planetary scientist about the implications of such asteroid strikes on Earth.
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