Blog

Learn which planet is largest, how Jupiter compares with the others, and why its immense size shapes the Solar System.

Learn what planetary geology is, what it studies, and how scientists decode the surfaces and interiors of planets, moons, asteroids, and comets.

Gravity shapes a planet’s size, atmosphere, interior, orbit, and habitability in ways that determine whether it becomes rocky, gaseous, stable, or extreme.

Explore how Jupiter creates storms through deep convection, rapid rotation, and powerful atmospheric dynamics that drive the planet’s famous giant vortices.

Learn how massive stars collapse into neutron stars, from core exhaustion to supernova and the extreme physics of a stellar remnant.

Explore the strongest Earth-like planet candidates, the traits that matter most, and why none is a perfect twin.

Learn the key physical, orbital, and observational differences between planets and stars, plus why some objects sit in the gray area.

Discover why Venus is hotter than Mercury, despite being farther from the Sun, and how its thick atmosphere traps extreme heat.

Explore the IAU definition, orbital rules, hydrostatic equilibrium, and why Pluto, exoplanets, and dwarf planets are classified differently.

Explore the formation, composition, and gravity that make Jupiter the Solar System’s largest planet.