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  2. Arc measurement - Wikipedia

    en.wikipedia.org/wiki/Arc_measurement

    Later arc measurements aimed at determining the flattening of the Earth ellipsoid by measuring at different geographic latitudes. The first of these was the French Geodesic Mission, commissioned by the French Academy of Sciences in 1735–1738, involving measurement expeditions to Lapland (Maupertuis et al.) and Peru (Pierre Bouguer et al.).

  3. French verb morphology - Wikipedia

    en.wikipedia.org/wiki/French_verb_morphology

    French verbs have a large number of simple (one-word) forms. These are composed of two distinct parts: the stem (or root, or radix), which indicates which verb it is, and the ending (inflection), which indicates the verb's tense (imperfect, present, future etc.) and mood and its subject's person (I, you, he/she etc.) and number, though many endings can correspond to multiple tense-mood-subject ...

  4. Paris meridian - Wikipedia

    en.wikipedia.org/wiki/Paris_meridian

    The "Paris meridian arc" or "French meridian arc" (French: la Méridienne de France) is the name of the meridian arc measured along the Paris meridian. [1] The French meridian arc was important for French cartography, since the triangulations of France began with the measurement of the French meridian arc. Moreover, the French meridian arc was ...

  5. French verbs - Wikipedia

    en.wikipedia.org/wiki/French_verbs

    Aside from être and avoir (considered categories unto themselves), French verbs are traditionally [1] grouped into three conjugation classes (groupes): . The first conjugation class consists of all verbs with infinitives ending in -er, except for the irregular verb aller and (by some accounts) the irregular verbs envoyer and renvoyer; [2] the verbs in this conjugation, which together ...

  6. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.

  7. French conjugation - Wikipedia

    en.wikipedia.org/wiki/French_conjugation

    In -e.er verbs other than most -eler and -eter verbs, the e becomes an è before endings that start with a silent e (including the future and conditional endings). For example: peler (to peel) -> je p-èle (present) / je p-èlerai (futur) / je p-èlerais (conditional).

  8. Arc measurement of Delambre and Méchain - Wikipedia

    en.wikipedia.org/wiki/Arc_measurement_of_Delambre...

    In 1791, the French Academy of Sciences chose to define the metre as one ten-millionth of the distance from the equator to the North or South Pole. This replaced the earlier definition based on the period of a pendulum, because the force of Earth's gravity varies slightly over the surface of the Earth, which affects the period of a pendulum. [1]

  9. French grammar - Wikipedia

    en.wikipedia.org/wiki/French_grammar

    In other registers French tends to not use any negation at all in such clauses, e.g., J'ai peur que cela se reproduise. The following contexts allow expletive ne the complement clause of verbs expressing fear or avoidance: craindre (to fear), avoir peur (to be afraid), empêcher (to prevent), éviter (to avoid)