Podcast
Questions and Answers
Which ocean is the Challenger Deep located in?
Which ocean is the Challenger Deep located in?
- Indian Ocean
- Atlantic Ocean
- Pacific Ocean (correct)
- Arctic Ocean
What is the depth of the Challenger Deep measured at?
What is the depth of the Challenger Deep measured at?
- 10,902–10,929 m (correct)
- 11°22.4′N 142°35.5′E
- 10,920 ± 10 m
- 35,768–35,856 ft
What is the name of the British Royal Navy survey ship that the depression is named after?
What is the name of the British Royal Navy survey ship that the depression is named after?
- HMS Discovery
- HMS Victory
- HMS Challenger (correct)
- HMS Beagle
Who made the first descent to the Challenger Deep?
Who made the first descent to the Challenger Deep?
What makes designing and operating exploratory craft difficult at the Challenger Deep?
What makes designing and operating exploratory craft difficult at the Challenger Deep?
Which of the following is the depth range of the Challenger Deep?
Which of the following is the depth range of the Challenger Deep?
Where is the Challenger Deep located?
Where is the Challenger Deep located?
Which technology is NOT used to measure the depth of the Challenger Deep?
Which technology is NOT used to measure the depth of the Challenger Deep?
What is the depth of the Challenger Deep according to the GEBCO Gazetteer of Undersea Feature Names?
What is the depth of the Challenger Deep according to the GEBCO Gazetteer of Undersea Feature Names?
Who made the first descent to the Challenger Deep?
Who made the first descent to the Challenger Deep?
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Study Notes
Challenger Deep
- Located in the Mariana Trench, Pacific Ocean
- Depth measured at approximately 36,000 feet (10,973 meters)
- Named after the HMS Challenger, a British Royal Navy survey ship
Exploration and Measurement
- First descent made by Jacques Piccard, a Swiss engineer, and US Navy Lieutenant Don Walsh in 1960
- Designing and operating exploratory craft is difficult at the Challenger Deep due to extreme pressure, near-freezing temperatures, and darkness
Depth Range and Measurement
- Depth range of the Challenger Deep is approximately 35,787 to 36,070 feet (10,902 to 10,994 meters)
- The GEBCO Gazetteer of Undersea Feature Names reports the depth of the Challenger Deep as 35,787 feet (10,902 meters)
- Radar is NOT used to measure the depth of the Challenger Deep
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