![]() The definitions are provided in Figure 2. Other colloquial synonyms include nightfall, sundown, and eventide. Still, you must wait until the astronomical twilight, when the Sun finally crosses 18 ° 18\degree 18° below the horizon, to see the faint nebulas and clusters that decorate the night sky. In equation 2, m 1 is the centroid or center of gravity of the peak, and m 2 is the second moment or variance of distribution of the analyte in time. In everyday language, the term dusk is commonly used as another word for evening twilightthe period from sunset until nighttime. After the nautical twilight, all stars that you can see with the naked eye are there for your amazement. ![]() They actively forage during the day with peak periods at dawn and dusk. Some of the regions peaks are among the worlds highest: Pobeda (Victory) peak ( metres) and Khan-Tengri. Check out the pronunciation, synonyms and grammar. During civil twilight, the brightest stars are visible and at sea. Learn the definition of peak (of mountain). In the UK, it is between 30 and 60 minutes after sunset. Lighting-up time is the time in the afternoon or evening when the law states that vehicles must have their lights switched on. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. This is when the Suns centre is 6° below the horizon, roughly equivalent to Lighting-up time. This sunset phase lasts until the Sun reaches 12 ° 12\degree 12° below the horizon, and astronomers define it as the phase in which you can still discern the horizon. Definition of dusk noun in Oxford Advanced American Dictionary. This, of course, is another form of excitement, if. The term can also mean to affect with sharp irritation and resentment, especially by some wound to pride. When you finally need to turn on a flashlight to see around you, you enter the nautical twilight. Pique means, among other senses, to excite (interest, curiosity, etc.), as in the suspenseful movie trailer piqued my curiosity. Usually, you can walk around without needing artificial lighting. At this time, you may start spotting some particularly bright stars (Vega, Betelgeuse, or Canopus) and some planets (even though Venus may appear even in the daylight!). The light merely dims! In fact, the sunset, as we commonly intend it, marks the beginning of the twilight, which terminates when the Sun reaches 6 ° 6\degree 6° below the horizon. While sunset is the moment of the day when the Sun is crossing the horizon (we say it is 0 ° 0\degree 0° above it), it doesn't mark the beginning of the darkness. Sunset is the most desired moment of the day for astronomers, who can finally whip out their instruments to start their nightly exploration of the skies.
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