Jupiter possède quatre satellites massifs (Io, Europe, Ganymède et Callisto) qui sont supposés s'être formés dans un disque gazeux autour de Jupiter, de manière analogue aux planètes du système ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct structure. Jupiter's gravity, often called the "architect" of our solar system ...

Accretion ages of the first planetesimals—parent bodies of magmatic iron meteorites—suggest that they formed within the first 0.5 to 1 million years of Solar System history. Yet, planetesimal ...

Meteorites display an isotopic composition dichotomy between noncarbonaceous (NC) and carbonaceous (CC) groups, indicating that planetesimal formation in the solar protoplanetary disk occurred in two ...

The shocking findings were part of a recent study in which astronomers effectively peered back in time to discover what Jupiter was like in its early years. Jupiter is not only the largest in the ...

An illustration of Jupiter with magnetic field lines emitting from its poles. Credit: K. Batygin Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times ...

Jupiter is responsible for saving Earth from a fiery death early in the Solar System's history, and may also explain a longstanding mystery about the formation of meteorites. A team of scientists have ...

Just outside Jupiter’s orbit, a ring-shaped region of high gas pressure formed. In this “dust trap,” over several million years planetesimals of varying compositions were able to form. Credit: MPS / ...

The Solar System is an unusual member of the galactic planetary census in that it lacks planets that reside in close proximity to the Sun. In this work, we propose that the primordial nebula-driven ...

A colossal, head-on collision between Jupiter and a still-forming planet in the early solar system, about 4.5 billion years ago, could explain surprising readings from NASA's Juno spacecraft, ...

Astronomers were able to establish the original size of Jupiter just after the formation of the solar system. It was twice as large and had a much stronger magnetic field than today. An infrared image ...