A planetary conjunction occurs when two or more planets appear close to each other in the sky as observed from Earth...
1. Great Conjunction: This is a conjunction involving the two gas giants, Jupiter and Saturn...
2. Inferior Conjunction: This type involves inner planets (Mercury and Venus) and the Sun...
3. Superior Conjunction: Similar to the inferior conjunction, superior conjunctions involve inner planets (Mercury and Venus) and the Sun...
4. Triple Conjunction: This occurs when three planets form a series of conjunctions with each other over a short period...
5. Planetary Line-Up: While not a formal type of conjunction, a planetary line-up involves several planets appearing roughly aligned along the same path in the sky...