stuartml@piefed.social to

Ask Science@lemmy.worldEnglish · 2 days ago

Are all gas giants made of helium and hydrogen?

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Are all gas giants made of helium and hydrogen?

stuartml@piefed.social to

Ask Science@lemmy.worldEnglish · 2 days ago

We know that Jupiter and Saturn are made mostly of helium and hydrogen, but is this true for other systems and their gas giants too?

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threelonmusketeers@sh.itjust.works
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1 day ago

Depends on your definition. It seems Neptune-type planets are either included, or not included, varying from speaker to speaker.

I’ve also heard them referred to as “ice giants”. Are they a subcategory of gas giants, or separate category?
- Kichae@piefed.ca
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  15 hours ago
  Neither gas giant nor ice giant are defined terms in astronomy, so *shrug*

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