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  2. 11th parallel north - Wikipedia

    en.wikipedia.org/wiki/11th_parallel_north

    At this latitude the sun is visible for 12 hours, 46 minutes during the summer solstice and 11 hours, 29 minutes during the winter solstice. [ 1 ] In Thailand , a 1966 cabinet resolution restricts the rights of non-Thai companies to conduct mineral exploration or mining operations north of this parallel.

  3. Position of the Sun - Wikipedia

    en.wikipedia.org/wiki/Position_of_the_Sun

    The position of the Sun in the sky is a function of both the time and the geographic location of observation on Earth's surface. As Earth orbits the Sun over the course of a year , the Sun appears to move with respect to the fixed stars on the celestial sphere , along a circular path called the ecliptic .

  4. Philippines - Wikipedia

    en.wikipedia.org/wiki/Philippines

    The Philippines, [f] officially the Republic of the Philippines, [g] is an archipelagic country in Southeast Asia. In the western Pacific Ocean , it consists of 7,641 islands , with a total area of roughly 300,000 square kilometers, which are broadly categorized in three main geographical divisions from north to south: Luzon , Visayas , and ...

  5. Sun path - Wikipedia

    en.wikipedia.org/wiki/Sun_path

    The relative position of the Sun is a major factor in the heat gain of buildings and in the performance of solar energy systems. [1] Accurate location-specific knowledge of sun path and climatic conditions is essential for economic decisions about solar collector area, orientation, landscaping, summer shading, and the cost-effective use of ...

  6. Geography of Thailand - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Thailand

    Detailed map of Thailand. Thailand is in the middle of mainland Southeast Asia. It has a total size of 513,120 km 2 (198,120 sq mi) which is the 50th largest in the world. The land border is 4,863 km (3,022 mi) long with Myanmar, Cambodia, Laos and Malaysia. The nation's axial position influenced many aspects of Thailand's society and culture. [1]

  7. Geography of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Geography_of_the_Philippines

    Philippines map of Köppen climate classification zones. The Philippines has a tropical maritime climate that is usually hot and humid. There are three seasons: tag-init or tag-araw, the hot dry season or summer from March to May; tag-ulan, the rainy season from June to November; and tag-lamig, the cool dry season from December to February.

  8. Analemma - Wikipedia

    en.wikipedia.org/wiki/Analemma

    Afternoon analemma photo taken in 1998–99 in Murray Hill, New Jersey, U.S., by Jack Fishburn.The Bell Laboratories building is in the foreground. In astronomy, an analemma (/ ˌ æ n ə ˈ l ɛ m ə /; from Ancient Greek ἀνάλημμα (analēmma) 'support') [a] is a diagram showing the position of the Sun in the sky as seen from a fixed location on Earth at the same mean solar time over ...

  9. Solar coordinate systems - Wikipedia

    en.wikipedia.org/wiki/Solar_coordinate_systems

    The Sun is a rotating sphere of plasma at the center of the Solar System. It lacks a solid or liquid surface, so the interface separating its interior and its exterior is usually defined as the boundary where plasma becomes opaque to visible light, the photosphere. Since plasma is gaseous in nature, this surface has no permanent demarcated ...