Talk:21P/Giacobini–Zinner

Astronomy: Astronomical objects / Solar System Low‑importance

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Probes[edit]

The comet's tail was been probed by at least one spacecraft, so it would be really useful and interesting to add the results obtained. Cheers, BatteryIncluded (talk) 23:53, 4 August 2014 (UTC)[reply]

problems about the perihelion[edit]

First, I couldn't find the 2012 perihelion record in JPL datasheet. Second,2018 Sep.11 has already passed.Should we update the date? — Preceding unsigned comment added by Fls81245 (talk • contribs) 07:57, 12 September 2018 (UTC)[reply]