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abstraction > mathematical concept > number > quantity > angle > elongation > planetary elongation > planetary elongation event > conjunction

conjunction
subject			fact

conjunction	has elongation 0°
	has definition The phenomenon in which two bodies have the same apparent celestial longitude (see longitude, celestial) or right ascension as viewed from a third body. Conjunctions are usually tabulated as geocentric phenomena. For Mercury and Venus, geocentric inferior conjunction occurs when the planet is between the Earth and Sun, and superior conjunction occurs when the Sun is between the planet and Earth.
	is a kind of planetary elongation event
event	has duration
	has synonym world point
	has time of occurrence
angle	has unit angle unit
number	has value

Kinds of conjunction :

• occultation (9 kinds, 28 facts) - The cutoff of the light from a celestial body caused by its passage behind another object.
• occultation phase (3 kinds, 12 facts) - A phase during the occultation of a celestial body