In a recent question (Fire in Zero-G) it was accurately pointed out that micro-G and zero-G are not the same thing (and rightly so). Is it worth having these tags separately?, or can they be synonyms? I find zero-g is most often used incorrectly to represent Mirco-gravity anyway, maybe this is best as a synonym?

(I do realize there is a thread saying not to ask about tag creation, this is one of those border line tag-differentiation / tag- synonym / tag - creation questions that I thought was worth defining)

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    $\begingroup$ They could be regrouped into gravity to make things simpler. It's pretty much the same topic for me. $\endgroup$
    – Vincent
    Nov 21, 2014 at 20:02
  • $\begingroup$ According to NASA, with some liberal paraphrasing, it's all relative. I agree with Vincent. (See paragraph 4) $\endgroup$
    – Crabgor
    Nov 21, 2014 at 20:05
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    $\begingroup$ I'd agree with @Vincent as well, gravity is gravity, the strength of said gravity shouldn't be included in the tag. if zero-G and micro-G are distinct, wouldn't earth-like-gravity and high-gravity make sense as tags as well? $\endgroup$
    – Twelfth
    Nov 21, 2014 at 20:12
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    $\begingroup$ Honestly, I don't think there are going to be enough questions to warrant tags for specific types of gravity. $\endgroup$
    – HDE 226868 Mod
    Nov 21, 2014 at 21:45

2 Answers 2


The tag already has a description "For questions about zero or low gravity environments". Since zero g is nearly always short hand for some degree of low gravity, there is no need for a separate tag.

In time may be absorbed into , but there is no need for action at this point. There is nothing to be gained by adding a new tag for micro gravity, since the zero g tag works perfectly well. The distinction is not important since true zero g is unattainable in any practical setting.


As per vincent's comment, I believe using the less specific term 'Gravity' is preferential over breaking out specific gravity types such as Zero-Gravity, Micro-Gravity, High-Gravity, Earth-like-gravity and all the other possibilities that ultimately refer to specific strengths of Gravity.

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    $\begingroup$ Tagging is an emergent folksonomy and we shouldn't aggressively re-name tags and impose structure until there's a problem with the way it's emerging which needs structure to fix. At that time, this will probably be the right move. Until then, we should just watch and learn. $\endgroup$
    – BESW
    Nov 21, 2014 at 23:50

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