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  2. Henry Norris Russell - Wikipedia

    en.wikipedia.org/wiki/Henry_Norris_Russell

    There were two volumes: the first was The Solar System and the second was Astrophysics and Stellar Astronomy. The textbook popularized the idea that a star's properties (radius, surface temperature, luminosity , etc.) were largely determined by the star's mass and chemical composition, which became known as the Vogt–Russell theorem (including ...

  3. 24 Astronomy Facts You Never Learned in School

    www.aol.com/lifestyle/24-astronomy-facts-never...

    From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us. The post 24 Astronomy Facts You Never Learned in School appeared first on Reader's Digest.

  4. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    Historically, optical astronomy, which has been also called visible light astronomy, is the oldest form of astronomy. [58] Images of observations were originally drawn by hand. In the late 19th century and most of the 20th century, images were made using photographic equipment.

  5. Odyssey (children's magazine) - Wikipedia

    en.wikipedia.org/wiki/Odyssey_(children's_magazine)

    Odyssey was a monthly science magazine for children ages 9–14, created by Richard Berry, editor of Astronomy. The magazine was published between 1979 and 2015. It was based in Peterborough, New Hampshire. [1] The magazine was also headquartered in Milwaukee, Wisconsin. [2]

  6. 24 Astronomy Facts You Never Learned in School

    www.aol.com/24-astronomy-facts-never-learned...

    The post 24 Astronomy Facts You Never Learned in School appeared first on Reader's Digest. From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us ...

  7. The Stars: A New Way to See Them - Wikipedia

    en.wikipedia.org/wiki/The_Stars:_A_New_Way_to...

    As of 2008 The Stars: A New Way to See Them and a simplified presentation for children called Find the Constellations are still in print. A new edition of Find the Constellations was released in 2008, updated with modern fonts, the new status of Pluto , and some more current measurements of planetary sizes and orbital radii.

  8. Arthur B. C. Walker Jr. - Wikipedia

    en.wikipedia.org/wiki/Arthur_B._C._Walker_Jr.

    Walker started as the associate professor of applied physics in January 1974 and became a full professor in 1982. By 1991 he became a joint professor in applied physics and physics. [4] Walker was a member of the Stanford's Center for Space and Astrophysics, as well as the Astronomy Program, for all his time at the school.

  9. William Kenneth Hartmann - Wikipedia

    en.wikipedia.org/wiki/William_Kenneth_Hartmann

    William Kenneth Hartmann (born June 6, 1939) is an American planetary scientist, artist, author, and writer.He was the first to convince the scientific mainstream that the Earth had once been hit by a planet sized body (), creating both the Moon and the Earth's 23.5° tilt.