Hạ điểm Mặt Trời (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hạ điểm Mặt Trời" in Vietnamese language version.

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archive.org

Ian Ridpath biên tập (1997). “subsolar point”. A Dictionary of Astronomy. Oxford; New York: Oxford University Press. ISBN 0-19-211596-0. The point on the Earth, or other body, at which the Sun is directly overhead at a particular time.

Zhang, T., Stackhouse, P.W., Macpherson, B., and Mikovitz, J.C., 2021. A solar azimuth formula that renders circumstantial treatment unnecessary without compromising mathematical rigor: Mathematical setup, application and extension of a formula based on the subsolar point and atan2 function. Renewable Energy, 172, 1333-1340. DOI: https://doi.org/10.1016/j.renene.2021.03.047

Nancy Alima Ali (ngày 11 tháng 5 năm 2010). “Noon sun not directly overhead everywhere”. Honolulu Star-Bulletin. Truy cập ngày 12 tháng 11 năm 2010.

van Gent, Robert Harry (2017). “Determining the Sacred Direction of Islam”. Webpages on the History of Astronomy.