This led to the formation of the terrestrial planets—Mercury ... in the protoplanetary disk to form such a planet. This finding suggests that gas giant planets can form around a wider range ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

A new study published onarXiv by researchers from UC Berkeley, led by theoretical physicist J.J. Zanazzi, reveals that giant ...

The James Webb Space Telescope (JWST) has been studying the scene of a dramatic collision between a star and its planet, but whereas astronomers had originally thought that the star was a red giant ...

Terrestrial planets include Mercury ... They are sometimes called gas giants because they are large and made mostly of gases. Small amounts of rocky materials are only found deep in the cores ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

A year on Uranus is 42,718 Uranus days long! Between the orbits of the terrestrial planets and the gas giants, there are millions of asteroids – rocky objects that orbit the Sun and vary in size ...

The planets orbit the sun in elliptical paths, with the inner four being rocky terrestrial worlds and the outer four being gas and ice giants many times larger than Earth. Our fascination with ...

This discovery explains the puzzling absence of ammonia in the planet’s upper atmosphere and suggests similar processes might be happening on gas giants across the universe. Astronomers confirm ...

The team suspects this division in populations reflects the differences in formation processes between terrestrial planets and massive gas giant worlds. Discovering a larger population of super ...