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In the polar regions, such as in northern Sweden, where the midnight sun can be as long as two or three months out of a year (in the summer months), or where the sky is dark even at 2 o'clock PM (in the day) for several weeks during the winter, or what is called the polar night, the author of Sefer Ha-brit (Article 4) asks the question, what ...
Hebrew astronomy refers to any astronomy written in Hebrew or by Hebrew speakers, or translated into Hebrew, or written by Jews in Judeo-Arabic.It includes a range of genres from the earliest astronomy and cosmology contained in the Bible, mainly the Tanakh (Hebrew Bible or "Old Testament"), to Jewish religious works like the Talmud and very technical works.
In Abrahamic religions, the Sabbath (/ ˈ s æ b ə θ /) or Shabbat (from Hebrew שַׁבָּת) is a day set aside for rest and worship. According to the Book of Exodus, the Sabbath is a day of rest on the seventh day, commanded by God to be kept as a holy day of rest, as God rested from creation. [1]
Pandemic sparks intergalactic interest . A collective interest in astronomy skyrocketed during the height of the COVID-19 pandemic, Acosta said.
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The night sky is the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon. Natural light sources in a night sky include moonlight , starlight , and airglow , depending on location and timing.
In infrared astronomy, the J band refers to an atmospheric transmission window (1.1 to 1.4 μm) centred on 1.25 micrometres (in the near-infrared). Betelgeuse is the brightest near-IR source in the sky with a J band magnitude of −2.99. [ 1 ]
Sabbath mode, also known as Shabbos mode (Ashkenazi pronunciation) or Shabbat mode, is a feature in many modern home appliances, including ovens, [1] dishwashers, [2] and refrigerators, [3] which is intended to allow the appliances to be used (subject to various constraints) by Shabbat-observant Jews on the Shabbat and Jewish holidays.