What If 3I/ATLAS Collided with Earth?

What If: Science, Theory, and Possibilities · Nov 14, 2025 · 20m

This is a simulation of what would happen if an interstellar harbinger of doom smashed into Earth. That odd cigar-shaped asteroid is Oumuamua, the very first interstellar rock on record. 'Interstellar' means it came from outside the Solar System. The force of a collision with this rock would carve a crater the size of a city, vaporizing everything nearby. However, Oumuamua is not the worst interstellar rock.

Timeline:

00:00 What If 3I/ATLAS Collided with Earth?

01:32 Understanding 3I/Atlas (vs Oumuamua)

03:24 The Third Interstellar Object Ever Found

06:14 3I/Atlas Could Be Older Than Our…