
1) December event 2) Meteor shower 3) October event
Found on
https://www.crosswordclues.com/clue/andromedids

The Andromedids (AND) meteor shower is associated with the comet 3D/Biela, the showers occurring as Earth passes through old streams left by the comet`s tail. The comet was observed to have broken up by 1846; further drift of the pieces by 1852 suggested the moment of breakup was in either 1842 or early 1843 when the comet was near Jupiter. The b....
Found on
http://en.wikipedia.org/wiki/Andromedids

Meteor shower. Most active day is Nov. 20. Shower now thought to be dead. (Comet defunct)
Found on
http://www.encyclo.co.uk/local/20448
No exact match found.