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ChaoticAgenda t1_j241t65 wrote

A "planet parade" doesn't have to be the same planets or same configuration each time. The parade can also be as small as 3 planets. So a parade happens when at least 3 of the 8 planets line up. That's not very uncommon.

However,
This planetary parade has 5 planets in it and that does make it notable and uncommon. The last one like it was in 2002 and the next one is expected in 2040, https://starwalk.space/en/news/what-is-planet-parade

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olearygreen t1_j246pi8 wrote

Well yes. Was talking about all of them. Technically from the moon at night you would see all planets with a bit of luck not getting blocked by earth.

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sanjosanjo t1_j24bhfo wrote

The article says that the other seven were in a line, and that it last happened six months ago. I remember a Redditor posted a picture he took during that event.

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