A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now.. Twice as large, in fact. To put that into context ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now.. Twice as large, in fact. To put that into context, those ...

Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two of its many moons.

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik ...

Their orbits are tilted relative to Jupiter’s equatorial plane by 0.36 and 1.09 degrees. Those would be quite small angles for more distant moons, but closer moons usually have tiny tilts.

Giant planet Jupiter used to be TWICE as big. Image source, Getty Images. Published. 23 May 2025. 12 Comments. Jupiter, the biggest planet in our solar system, used to be even bigger.

Jupiter is the largest planet in our solar system, and it might also be the oldest. According to a new study published in Proceedings of the National Academy of Sciences this week, ...