The oldest known intact Earth rock was collected on the moon in the 1970s. Learn how researchers think it got there it in this classic episode of BrainStuff.
See omnystudio.com/listener for privacy information.
The oldest known intact Earth rock was collected on the moon in the 1970s. Learn how researchers think it got there it in this classic episode of BrainStuff.
See omnystudio.com/listener for privacy information.
