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  2. Retrograde and prograde motion - Wikipedia

    en.wikipedia.org/wiki/Retrograde_and_prograde_motion

    Six of the planets also rotate about their axis in this same direction. The exceptions – the planets with retrograde rotation – are Venus and Uranus. Venus's axial tilt is 177°, which means it is rotating almost exactly in the opposite direction to its orbit. Uranus has an axial tilt of 97.77°, so its axis of rotation is approximately ...

  3. Apparent retrograde motion - Wikipedia

    en.wikipedia.org/wiki/Apparent_retrograde_motion

    An animation explaining why the planet Mercury may appear to move "backwards", or retrograde across Earth's sky. Apparent retrograde motion is the apparent motion of a planet in a direction opposite to that of other bodies within its system, as observed from a particular vantage point.

  4. 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]

  5. You've been pronouncing 'Uranus' wrong your entire life. How ...

    www.aol.com/youve-pronouncing-uranus-wrong...

    Uranus is the butt of a lot of jokes, but scientists pronounce the name of our seventh planet differently than, say, most giggling middle-schoolers. You've been pronouncing 'Uranus' wrong your ...

  6. How did Uranus end up on its side? We've been finding out - AOL

    www.aol.com/news/did-uranus-end-side-weve...

    A body at least twice as massive as the Earth smashing into Uranus could have made it lopsided, shows research. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: ...

  7. Uranus Retrograde in Taurus 2023–2024, Explained - AOL

    www.aol.com/uranus-retrograde-taurus-2023-2024...

    Uranus retrograde in Taurus will shift the collective consciousness when it begins its backward journey on August 28, 2023, at 10:39 p.m. ET. When a planet is retrograde, the themes associated ...

  8. Rotation period (astronomy) - Wikipedia

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

    In astronomy, the rotation period or spin period [1] of a celestial object (e.g., star, planet, moon, asteroid) has two definitions. The first one corresponds to the sidereal rotation period (or sidereal day ), i.e., the time that the object takes to complete a full rotation around its axis relative to the background stars ( inertial space ).

  9. Upside-down question and exclamation marks - Wikipedia

    en.wikipedia.org/wiki/Upside-down_question_and...

    Outside of the Spanish-speaking world, John Wilkins proposed using the upside-down exclamation mark "¡" as a symbol at the end of a sentence to denote irony in 1668. He was one of many, including Desiderius Erasmus , who felt there was a need for such a punctuation mark, but Wilkins' proposal, like the other attempts, failed to take hold.