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  2. PSR B1919+21 - Wikipedia

    en.wikipedia.org/wiki/PSR_B1919+21

    PSR B1919+21 is a pulsar with a period of 1.3373 seconds [4] and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell on 28 November 1967, it is the first discovered radio pulsar. [5]

  3. X-ray telescope - Wikipedia

    en.wikipedia.org/wiki/X-ray_telescope

    The first X-ray picture of the Sun from a rocket-borne telescope was taken by John V. Lindsay of the NASA Goddard Space Flight Center and collaborators in 1963. The first orbiting X-ray telescope flew on Skylab in the early 1970s and recorded more than 35,000 full-disk images of the Sun over a 9-month period. [3]

  4. Wikipedia:CHECKWIKI/WPC 090 dump - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:CHECKWIKI/WPC...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  5. Space Shuttle Columbia disaster - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Columbia...

    [5]: 73–74 X-ray and chemical analysis was conducted on the RCC panels, revealing the highest levels of slag deposits to be in the left wing tiles. [ 5 ] : 75–76 Impact testing was conducted at the Southwest Research Institute , using a nitrogen-powered gun to fire a projectile made of the same material as the ET bipod foam.

  6. K-Meleon - Wikipedia

    en.wikipedia.org/wiki/K-Meleon

    Mozilla continued work on Gecko, and K-Meleon was updated with service packs and version 0.8. [28] In 2005, Ulf Erikson announced version 0.9 would be the final version of K-Meleon he would build. He was the project's developer but stated he was no longer using K-Meleon as his primary browser after moving to Linux . [ 29 ]

  7. Aspect ratio (image) - Wikipedia

    en.wikipedia.org/wiki/Aspect_ratio_(image)

    Rounded notation of 2.39:1 also known as 2.40:1. All film releases may use 800 lines of the 1920×800 resolution resulting in the 2.40:1 aspect ratio of Blu-ray Disc. 2.55:1 = 51:20 Original aspect ratio of CinemaScope before optical sound was added to the film in 1954. This was also the aspect ratio of CinemaScope 55. 2. 592:1 = 70:27

  8. Explosives shipping classification system - Wikipedia

    en.wikipedia.org/wiki/Explosives_shipping...

    X Denotes compatibility groups that can be mixed in transport. Detonators/blasting caps, may not be packaged together with any other explosive. a. Different explosives of compatibility group A should be packaged separately. b. Explosives of compatibility group L shall only be packed with an identical explosive.

  9. SOD2 - Wikipedia

    en.wikipedia.org/wiki/SOD2

    Superoxide dismutase 2, mitochondrial (SOD2), also known as manganese-dependent superoxide dismutase (MnSOD), is an enzyme which in humans is encoded by the SOD2 gene on chromosome 6.