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  2. Uranus - Wikipedia

    en.wikipedia.org/wiki/Uranus

    The pronunciation of the name Uranus preferred among astronomers is / ˈ jʊər ə n ə s / YOOR-ə-nəs, [1] with the long "u" of English and stress on the first syllable as in Latin Uranus, in contrast to / j ʊ ˈ r eɪ n ə s / yoo-RAY-nəs, with stress on the second syllable and a long a, though both are considered acceptable. [g]

  3. John Flamsteed - Wikipedia

    en.wikipedia.org/wiki/John_Flamsteed

    John Flamsteed FRS (19 August 1646 – 31 December 1719) [a] was an English astronomer and the first Astronomer Royal.His main achievements were the preparation of a 3,000-star catalogue, Catalogus Britannicus, and a star atlas called Atlas Coelestis, both published posthumously.

  4. Exploration of Uranus - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Uranus

    Uranus is the third-largest and fourth most massive planet in the Solar System. It orbits the Sun at a distance of about 2.8 billion kilometers (1.7 billion miles) and completes one orbit every 84 years. The length of a day on Uranus as measured by Voyager 2 is 17 hours and 14 minutes. Uranus is distinguished by the fact that it is tipped on ...

  5. Space colonization - Wikipedia

    en.wikipedia.org/wiki/Space_colonization

    There is no night in free space, and no clouds or atmosphere to block sunlight. Light intensity obeys an inverse-square law . So the solar energy available at distance d from the Sun is E = 1367/ d 2 W/m 2 , where d is measured in astronomical units (AU) and 1367 watts/m 2 is the energy available at the distance of Earth's orbit from the Sun, 1 AU.

  6. Discovery and exploration of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Discovery_and_exploration...

    True-scale Solar System poster made by Emanuel Bowen in 1747. At that time, Uranus, Neptune, nor the asteroid belts had been discovered yet. Discovery and exploration of the Solar System is observation, visitation, and increase in knowledge and understanding of Earth's "cosmic neighborhood". [1]

  7. Historical models of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Historical_models_of_the...

    The ancient Hebrews, like all the ancient peoples of the Near East, believed the sky was a solid dome with the Sun, Moon, planets and stars embedded in it. [4] In biblical cosmology, the firmament is the vast solid dome created by God during his creation of the world to divide the primal sea into upper and lower portions so that the dry land could appear.

  8. Rings of Uranus - Wikipedia

    en.wikipedia.org/wiki/Rings_of_Uranus

    Uranus' ring system was the second to be discovered in the Solar System, after that of Saturn. [9] In 1982, on the fifth anniversary of the rings' discovery, Uranus along with the eight other planets recognized at the time (i.e. including Pluto ) aligned on the same side of the Sun. [ 10 ] [ 11 ]

  9. Free education - Wikipedia

    en.wikipedia.org/wiki/Free_education

    The government provides free school meals to 400,000 children in 2,000 schools across 8 Divisions. [21] In Brazil, free education is offered by the Ministry of Education, which offers scholarships for graduate degrees, masters, doctoral and post-doctoral for Brazilians and immigrants with a Brazilian citizenship. The best universities and ...

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