Tolee NewsNational Geographic
The 11,000-Meter Question at the Bottom of the Challenger Deep
On 23 January 1960, the vessel reached the ocean floor in the Challenger Deep. The onboard systems indicated a depth of ...
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Rinku Sharma@rinku_sharma
10/31/2026 | 12:54 pm 4 Min Read

Watch full HD video on ToleeSource: https://www.youtube.com/watch?v=UhvxvOPitbo
š„ **National Geographic Video** š **The 11,000-Meter Question at the Bottom of the Challenger Deep** šŗ Channel: The Midnight Zone Stories š On 23 January 1960, the vessel reached the ocean floor in the Challenger Deep. The onboard systems indicated a depth of ... š Watch full video: https://www.youtube.com/watch?v=UhvxvOPitbo Stay connected with Tolee for daily video updates across NASA, Discovery, National Geographic, Science, Education, Documentary, History, Space, Animals, Technology, and Kids Education!
Official References & Sources Source Link: https://www.youtube.com/watch?v=UhvxvOPitbo
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