Scale insight
Scale Comparison
Jupiter vs Neptune, to scale
Neptune is a giant planet, but Jupiter reminds you what the top of that category looks like. On one honest diameter scale, Neptune keeps its planetary authority while Jupiter still pushes the comparison into a different order of giantness.
The value of this comparison is that Neptune is not small by any ordinary standard. It is a substantial giant planet, which makes Jupiters larger scale more informative than a simple big-versus-small pairing.
Together the two planets show that the outer Solar System contains multiple giant-planet tiers. Neptune helps define one branch, while Jupiter still stands apart as the dominant planetary body.
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Neptune is the outermost giant planet in the Solar System. It is the windiest world known, with methane-cloud systems racing through its atmosphere at speeds above 2,000 kilometers per hour.
Jupiter is the largest planet in the Solar System. It is more massive than all the other planets combined and still spins once in only about 10 hours, giving the giant world the shortest day in the planetary family.
Visual creditNASA / JPL-Caltech / SwRI / MSSS / Kevin M. Gill / Public domainSource: Wikimedia Commons
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Between the smallest and the largest, perspective is everything.
About
Scale of Space is a scroll-based journey through the universe, placing objects on a single logarithmic scale so you can compare size across an unbroken range.
Guides turn parts of that scale into curated essays, while focused views let you explore the same range through specific groups of objects.