YouTube Archive Index

NASA | X-Class: A Guide to Solar Flares

90,174 views (2014-11-18)Upload date: 2011-08-09⏱ 3:02👍 344 · 👎 3★ 4.96Science & Technology
NASA Goddard

Status on YouTube

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In the archive: 2012-01-02 – 2018-11-16.
Sources: Common Crawl 2012, 2013-48, 2014-15, 2014-23, 2014-35, 2014-41, 2015-11, 2015-14, 2015-18, 2015-22, 2015-27, 2015-32, 2015-35, 2015-40, 2015-48, 2016-22, 2016-36, 2016-40, 2016-44, 2016-50, 2017-04, 2017-09, 2017-17, 2017-22, 2017-43, 2018-05, 2018-09, 2018-13, 2018-22, 2018-26, 2018-39, 2018-47 · Web Archive – pages captured in 2012 · Web Archive – pages captured in 2013 · Web Archive – pages captured in 2014
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Appeared on

Listed 283 times in captured pages, on 113 different lists (suggested videos, channels, playlists…). Earliest first:

Show all lists (113) ›

Description

Flares happen when the powerful magnetic fields in and around the sun reconnect. They're usually associated with active regions, often seen as sun spots, where the magnetic fields are strongest. Flares are classified according to their strength. The smallest ones are B-class, followed by C, M and X, the largest. Similar to the Richter scale for earthquakes, each letter represents a ten-fold increase in energy output. So an X is 10 times an M and 100 times a C. Within each letter class, there is a finer scale from 1 to 9. C-class flares are too weak to noticeably affect Earth. M-class flares can cause brief radio blackouts at the poles and minor radiation storms that might endanger astronauts. Although X is the last letter, there are flares more than 10 times the power of an X1, so X-class flares can go higher than 9. The most powerful flare on record was in 2003, during the last solar maximum. It was so powerful that it overloaded the sensors measuring it. They cut-out at X28. A powerful X-class flare like that can create long lasting radiation storms, which can harm satellites and even give airline passengers, flying near the poles, small radiation doses. X flares also have the potential to create global transmission problems and world-wide blackouts.

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Tags

scott wiessingerflaresdo magnetic fieldssunsolarsolar maximumx-classradiationblackoutsolar weatherstorms

View history

152K2012-01-022018-11-162012-01-02: 57,845 (list (suggested, channel, search…))2012-01-08: 58,033 (watch page)2012-01-28: 60,152 (list (suggested, channel, search…))2012-01-29: 60,283 (list (suggested, channel, search…))2012-01-30: 60,492 (list (suggested, channel, search…))2012-01-31: 60,569 (list (suggested, channel, search…))2012-02-01: 60,666 (list (suggested, channel, search…))2012-02-24: 61,115 (list (suggested, channel, search…))2012-02-25: 61,115 (list (suggested, channel, search…))2012-02-26: 61,115 (list (suggested, channel, search…))2012-02-27: 61,115 (list (suggested, channel, search…))2012-02-28: 61,297 (list (suggested, channel, search…))2012-03-04: 61,297 (list (suggested, channel, search…))2012-03-06: 61,297 (list (suggested, channel, search…))2012-03-07: 61,441 (list (suggested, channel, search…))2012-03-08: 61,713 (list (suggested, channel, search…))2012-03-09: 61,941 (list (suggested, channel, search…))2013-01-02: 72,112 (list (suggested, channel, 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page)2013-10-17: 77,058 (list (suggested, channel, search…))2013-10-27: 77,129 (watch page)2013-10-28: 77,134 (watch page)2013-10-29: 77,156 (watch page)2013-10-30: 77,182 (watch page)2013-11-16: 77,231 (list (suggested, channel, search…))2013-12-01: 77,231 (list (suggested, channel, search…))2013-12-04: 77,231 (list (suggested, channel, search…))2013-12-13: 77,231 (list (suggested, channel, search…))2013-12-18: 77,231 (list (suggested, channel, search…))2013-12-21: 77,231 (list (suggested, channel, search…))2013-12-22: 77,231 (list (suggested, channel, search…))2013-12-24: 77,231 (list (suggested, channel, search…))2014-01-05: 77,478 (list (suggested, channel, search…))2014-01-06: 77,521 (list (suggested, channel, search…))2014-01-09: 77,602 (watch page)2014-01-10: 77,625 (watch page)2014-01-11: 77,632 (watch page)2014-01-12: 77,646 (watch page)2014-01-14: 77,652 (watch page)2014-01-17: 77,675 (list (suggested, channel, search…))2014-01-23: 77,704 (list (suggested, channel, 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channel, search…))2016-09-26: 118,244 (list (suggested, channel, search…))2016-10-23: 119,490 (list (suggested, channel, search…))2016-10-25: 119,490 (list (suggested, channel, search…))2016-10-27: 119,490 (list (suggested, channel, search…))2016-12-02: 120,489 (list (suggested, channel, search…))2016-12-03: 120,489 (list (suggested, channel, search…))2017-01-17: 121,464 (list (suggested, channel, search…))2017-01-20: 121,464 (list (suggested, channel, search…))2017-02-22: 124,824 (list (suggested, channel, search…))2017-02-25: 124,824 (list (suggested, channel, search…))2017-04-24: 126,721 (list (suggested, channel, search…))2017-04-29: 127,129 (list (suggested, channel, search…))2017-04-30: 127,129 (list (suggested, channel, search…))2017-05-24: 127,737 (list (suggested, channel, search…))2017-10-18: 138,336 (list (suggested, channel, search…))2018-01-19: 141,483 (list (suggested, channel, search…))2018-02-23: 142,729 (list (suggested, channel, search…))2018-03-18: 143,359 (list (suggested, channel, search…))2018-05-22: 145,711 (list (suggested, channel, search…))2018-06-19: 146,535 (list (suggested, channel, search…))2018-09-24: 150,916 (list (suggested, channel, search…))2018-11-16: 152,490 (list (suggested, channel, search…))
watch pagelist (suggested, channel, search…)

Captures with a view count: 203 (the watch page and the lists that showed the video).

Archive captures (51)

CapturedSourceCaptured URLStatusViewsLikes / dislikes
2014-11-18Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable90,174
2014-11-17Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable90,154
2014-11-01Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable89,433
2014-10-29Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable89,132
2014-10-28Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable89,008
2014-10-27Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable88,808
2014-10-26Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable88,609
2014-10-24Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable88,316
2014-10-23Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable88,132
2014-10-15Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable87,072
2014-06-21Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable80,300344 / 3
2014-06-07Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable79,203339 / 3
2014-01-29Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable77,727338 / 3
2014-01-14Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable77,652337 / 3
2014-01-12Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable77,646337 / 3
2014-01-11Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable77,632337 / 3
2014-01-10Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable77,625337 / 3
2014-01-09Web Archive – pages captured in 2014youtube.com/watch?v=oOXVZo7KikEavailable77,602337 / 3
2013-10-30Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable77,182335 / 3
2013-10-29Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable77,156335 / 3
2013-10-28Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable77,134335 / 3
2013-10-27Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable77,129334 / 3
2013-08-21Web Archive – pages captured in 2013m.youtube.com/watch?v=oOXVZo7KikE&p=8EDAE089117E3D77&hl=en&guid=&client=mv-google&gl=USavailable76,682333 / 3
2013-08-13Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable76,562333 / 3
2013-08-01Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable76,381333 / 3
2013-07-29Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikE&list=PL8EDAE089117E3D77available76,318332 / 3
2013-07-25Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikE&list=PLF14609877EF3419Bavailable76,281332 / 3
2013-05-05Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,625330 / 3
2013-05-04Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,616330 / 3
2013-05-01Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,585330 / 3
2013-04-30Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,574330 / 3
2013-04-27Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,491330 / 3
2013-04-26Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,479329 / 3
2013-04-22Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,448330 / 3
2013-04-12Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,325330 / 3
2013-04-05Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,259331 / 3
2013-03-27Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,177331 / 3
2013-03-26Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,172331 / 3
2013-03-22Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable75,141331 / 3
2013-02-24Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,697329 / 3
2013-02-16Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,530329 / 3
2013-02-15Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,494327 / 3
2013-02-14Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,486327 / 3
2013-02-13Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,469327 / 3
2013-02-12Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,455327 / 3
2013-02-11Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,440327 / 3
2013-02-10Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,408326 / 3
2013-02-09Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,379326 / 3
2013-02-08Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable74,229326 / 3
2013-02-07Web Archive – pages captured in 2013youtube.com/watch?v=oOXVZo7KikEavailable73,784326 / 3
2012-01-08Web Archive – pages captured in 2012youtube.com/watch?v=oOXVZo7KikE&feature=youtu.beavailable58,033277 / 3

The captured URL is the exact address of the page when it was captured, country host and parameters included. For Common Crawl it opens the record in that crawl's index (WARC file and offset), and the HTML button downloads the page's original code from Common Crawl. For the Web Archive it opens that very capture in the Wayback Machine. The date of a Common Crawl capture opens the nearest Wayback copy of the page.