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  2. Elongation (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Elongation_(astronomy)

    The greatest elongation of a given inferior planet occurs when this planet's position, in its orbital path around the Sun, is at tangent to the observer on Earth. Since an inferior planet is well within the area of Earth's orbit around the Sun, observation of its elongation should not pose that much a challenge (compared to deep-sky objects, for example).

  3. Rare Earth: Why Complex Life Is Uncommon in the Universe

    en.wikipedia.org/wiki/Rare_Earth:_Why_Complex...

    The book's rationale was also praised by media outlets including Newsday and The Economist. CNN described it as an answer to the Fermi paradox. [2] Several astronomy sources also praised the book including Sky & Telescope and Astronomy magazine. Other science media also praised the book including American Scientist, Popular Mechanics, and ...

  4. Astrophysics for People in a Hurry - Wikipedia

    en.wikipedia.org/wiki/Astrophysics_for_People_in...

    Astrophysics for People in a Hurry is a 2017 popular science book by Neil deGrasse Tyson, centering around a number of basic questions about the universe.Published on May 2, 2017, by W. W. Norton & Company, the book is a collection of Tyson's essays that appeared in Natural History magazine at various times from 1997 to 2007.

  5. Elongation - Wikipedia

    en.wikipedia.org/wiki/Elongation

    Elongation may refer to: Elongation (astronomy) Elongation (geometry) Elongation (plasma physics) Part of transcription of DNA into RNA of all types, including mRNA, tRNA, rRNA, etc. Part of translation (biology) of mRNA into proteins; Elongated organisms; Elongation (mechanics), linear deformation

  6. A Question and Answer Guide to Astronomy - Wikipedia

    en.wikipedia.org/wiki/A_Question_and_Answer...

    A Question and Answer Guide to Astronomy is a book about astronomy and cosmology, and is intended for a general audience. The book was written by Pierre-Yves Bely, Carol Christian, and Jean-Rene Roy, and published in English by Cambridge University Press in 2010. It was originally written in French. [1]

  7. Category:Astronomy books - Wikipedia

    en.wikipedia.org/wiki/Category:Astronomy_books

    Books about astronomy, a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets

  8. Euler's three-body problem - Wikipedia

    en.wikipedia.org/wiki/Euler's_three-body_problem

    The problem of two fixed centers conserves energy; in other words, the total energy is a constant of motion.The potential energy is given by =where represents the particle's position, and and are the distances between the particle and the centers of force; and are constants that measure the strength of the first and second forces, respectively.

  9. The 10 to 1 ratio was an estimate made in 1972; current estimates put the ratio at either 3 to 1 or 1.3 to 1. [300] The total length of capillaries in the human body is not 100,000 km. That figure comes from a 1929 book by August Krogh, who used an unrealistically large model person and an inaccurately high density of capillaries.

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