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  2. Mirage - Wikipedia

    en.wikipedia.org/wiki/Mirage

    A mirage of an astronomical object is a naturally occurring optical phenomenon in which light rays are bent to produce distorted or multiple images of an astronomical object. Mirages can be observed for such astronomical objects as the Sun , the Moon , the planets , bright stars , and very bright comets .

  3. Heat lightning - Wikipedia

    en.wikipedia.org/wiki/Heat_lightning

    Heat lightning (not to be confused with dry thunderstorms, which are also often called dry lightning) is a misnomer [1] used for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not appear to have accompanying sounds of thunder.

  4. Mirage of astronomical objects - Wikipedia

    en.wikipedia.org/wiki/Mirage_of_astronomical_objects

    10.12 Then spoke Joshua to the LORD in the day when the LORD delivered up the Amorites before the children of Israel; and he said in the sight of Israel: 'Sun, stand thou still upon Gibeon; and thou, Moon, in the valley of Aijalon. 10.13 And the sun stood still, and the moon stayed, until the nation had avenged themselves of their enemies.

  5. Diurnal temperature variation - Wikipedia

    en.wikipedia.org/wiki/Diurnal_temperature_variation

    This explains why an area like the Pinnacles National Park can have high temperatures of 38 °C (100 °F) during a summer day, and then have lows of 5–10 °C (41–50 °F). At the same time, Washington D.C. , which is much more humid, has temperature variations of only 8 °C (14 °F); [ 1 ] [ dead link ‍ ] urban Hong Kong has a diurnal ...

  6. Sky brightness - Wikipedia

    en.wikipedia.org/wiki/Sky_brightness

    The fact that the sky is not completely dark at night is easily visible. If light sources (e.g. the Moon and light pollution) were removed from the night sky, only direct starlight would be visible. The sky's brightness varies greatly over the day, and the primary cause differs as well.

  7. Diurnal cycle - Wikipedia

    en.wikipedia.org/wiki/Diurnal_cycle

    Earth's rotation relative to the Sun causes the 24-hour day/night cycle. A diurnal cycle (or diel cycle) is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis. [1] Earth's rotation causes surface temperature fluctuations throughout the day and night, as well as weather changes throughout ...

  8. Light effects on circadian rhythm - Wikipedia

    en.wikipedia.org/wiki/Light_effects_on_circadian...

    All of the mechanisms of light-affected entrainment are not yet fully known, however numerous studies have demonstrated the effectiveness of light entrainment to the day/night cycle. Studies have shown that the timing of exposure to light influences entrainment; as seen on the phase response curve for light for a given species. In diurnal (day ...

  9. Minecraft Earth - Wikipedia

    en.wikipedia.org/wiki/Minecraft_Earth

    The game was free-to-play, and supported Android and iOS smartphones. [10] [11] During Microsoft Build 2015, Microsoft's HoloLens team unveiled an augmented reality version of Minecraft. [12] On 8 May 2019, a teaser trailer was released which showed a Muddy Pig. [13] Minecraft Earth was announced during Minecraft 's 10th anniversary in May 2019 ...