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00:00:00 – 00:06:17
The video highlights significant events in the history of solar eclipse observation, focusing on the Great American Eclipse of August 21, 2017, which spanned from Oregon to South Carolina and was the first coast-to-coast total eclipse in the U.S. in 99 years. Notably, scientists extended their viewing time using modified WB-57 bombers. The longest predicted solar eclipse is mentioned, set for July 4, with a duration of seven minutes and 32 seconds. The video also recounts the innovative 1973 mission led by French astronomer Pierre Léna, who used the Concorde aircraft to achieve a record 74-minute continuous observation of a solar eclipse. Although ground-based eclipse chases like the Concorde’s are now rare due to advances in satellite technology, the legacy of these groundbreaking efforts continues. The video encourages viewer engagement through social media and support platforms.
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In this part of the video, the narrator discusses the Great American Eclipse that occurred on August 21, 2017, spanning from Oregon to South Carolina, marking the first coast-to-coast total eclipse in the U.S. in 99 years. The moon’s shadow was 70 miles wide, moving at over 1500 miles per hour, with totality lasting up to two minutes and 44 seconds in Southern Illinois. Two scientists extended the observation time to over seven minutes by chasing the moon’s shadow using modified WB-57 bombers, equipped with high-resolution cameras to capture nanoflares on the sun. The video also compares this eclipse with the longest predicted solar eclipse on July 4, which will last seven minutes and 32 seconds, and a notable eclipse on June 30, 1973, where Concorde aircraft allowed scientists to extend observation to over 70 minutes.
00:03:00
In this part of the video, a French astronomer Pierre Léna proposed using the Concorde aircraft to observe a solar eclipse for an extended period. This idea was well-received by Aérospatiale due to the unique capabilities of the Concorde. The mission presented technical challenges such as installing specialized quartz portholes and ensuring all scientific instruments were safe for use in the pressurized cabin. In February 1973, the mission was approved, and on June 30th, Concorde 001 successfully observed 74 minutes of totality, the longest continuous observation of a solar eclipse to date. In 1999, three Concordes chased another eclipse, but subsequent tours were canceled after the 2000 crash of Concorde flight 4590. The modified Concorde is now displayed at the Air and Space Museum in Le Bourget. Although solar research is now primarily conducted by satellites, the legacy of the 1973 Concorde flight remains significant. The segment concludes by inviting viewers to engage with the channel on Facebook and Patreon.
00:06:00
In this part of the video, the speaker concludes by thanking viewers for watching and encourages them to subscribe, rate, and share the content.