Lunar month — Animation of the Moon as it cycles through its phases, as seen from the Northern Hemisphere. The apparent wobbling of the Moon is known as libration. In lunar calendars, a lunar month is the time between two identical syzygies (new moons or full… … Wikipedia
Thai lunar calendar — The Thai lunar calendar (Thai: ปฏิทินจันทรคติ Patitin Chantarakati) (literally, Against the Sun Moon Ways ) is Thailand s version of the lunisolar Buddhist calendar used in the southeast Asian countries of Cambodia, Laos and Burma. Based on the… … Wikipedia
History of lunar observation and exploration — ▪ Table History of lunar observation and exploration time period accomplishment prehistoric and early historic times Basic knowledge of Moon s motion, phases, and markings is gathered and expressed in myth and legend. 500 BC to AD 150 Phases and… … Universalium
Month — For the Egyptian hawk god, see Monthu. A month is a unit of time, used with calendars, which was first used and invented in Mesopotamia, as a natural period related to the motion of the Moon; month and Moon are cognates. The traditional concept… … Wikipedia
Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth … Wikipedia
History of astronomy — History of science … Wikipedia
Saros (astronomy) — The saros i/ˈsɛərɒ … Wikipedia
Calendar — For other uses, see Calendar (disambiguation). For the Gregorian calendar for this year, see Common year starting on Saturday. A page from the Hindu calendar 1871–1872. A calendar is a system of organizing days for social, religious, commercial,… … Wikipedia
Eclipse cycle — Animated graph of a the paths of totality of a solar eclipse cycle. Eclipses may occur repeatedly, separated by certain intervals of time: these intervals are called eclipse cycles.[1] The series of eclipses separated by a repeat of one of these… … Wikipedia
Metonic cycle — Heliocentric Solar System In astronomy and calendar studies, the Metonic cycle or Enneadecaeteris (from Greek words for nineteen years) is a period of very close to 19 years which is remarkable for being very nearly a common multiple of the solar … Wikipedia