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  2. Astronaut ranks and positions - Wikipedia

    en.wikipedia.org/wiki/Astronaut_ranks_and_positions

    [a] Required a degree in engineering, biological science, physical science, or mathematics. Must have had at least 1000 hours flying experience on a jet aircraft , [ 2 ] and at least 750 simulated landings in the Shuttle Training Aircraft . [ 3 ]

  3. General Schedule (US civil service pay scale) - Wikipedia

    en.wikipedia.org/wiki/General_Schedule_(US_civil...

    The General Schedule (GS) is the predominant pay scale within the United States civil service. The GS includes the majority of white collar personnel (professional, technical, administrative, and clerical) positions. As of September 2004, 71 percent of federal civilian employees were paid under the GS. The GG pay rates are identical to ...

  4. Uniformed services pay grades of the United States - Wikipedia

    en.wikipedia.org/wiki/Uniformed_services_pay...

    The officer grades are all one higher than their NATO equivalent (except O-1) as the O-1 and O-2 grades are both equivalent to the NATO code of OF-1. Hence O-3 is equivalent to OF-2, O-4 is equivalent to OF-3, and so on. U.S. warrant officer grades (W-1 through W-5) are depicted in the NATO system as WO-1 through WO-5. The United States is the ...

  5. Pay scale - Wikipedia

    en.wikipedia.org/wiki/Pay_scale

    A pay scale (also known as a salary structure) is a system that determines how much an employee is to be paid as a wage or salary, based on one or more factors such as the employee's level, rank or status within the employer's organization, the length of time that the employee has been employed, and the difficulty of the specific work performed.

  6. Carl Sagan - Wikipedia

    en.wikipedia.org/wiki/Carl_Sagan

    Carl Edward Sagan (/ ˈ s eɪ ɡ ən /; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist and science communicator.His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by exposure to light.

  7. Konstantin Batygin - Wikipedia

    en.wikipedia.org/wiki/Konstantin_Batygin

    Konstantin Batygin was born in Moscow, Soviet Union. [3] His father, Yuri Konstantinovich Batygin, worked as an accelerator physicist in the Moscow Engineering Physics Institute until 1994, when he moved along with his wife Galina [4] and their family to Wakō, Japan, and began working at the particle accelerator facility in RIKEN. [3]

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  9. Bonnie Buratti - Wikipedia

    en.wikipedia.org/wiki/Bonnie_Buratti

    Buratti also does educational outreach at the college and grade school level. [5] In 2014 she was elected Chair of the Division of Planetary Sciences of the American Astronomical Society. [ 6 ] In November 2015, Buratti was named the NASA Project Scientist for the European Space Agency's Rosetta Mission to Comet 67P/Churyumov–Gerasimenko .