A year ago March 17 an object the size of a small boulder hit the surface of the moon in Mare Imbrium and exploded in a flash of light nearly 10 times as bright as anything ever recorded before.
Astro Bob blog: Largest recorded explosion on moon excavates 60-ft. crater
A year ago March 17 an object the size of a small boulder hit the surface of the moon in Mare Imbrium and exploded in a flash of light nearly 10 times as bright as anything ever recorded before.

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