Large and small planets are born from very different circumstances, according to data from NASA’s now-retired space telescope ...

the discovery also reveals information about how planets of different sizes form. "What we found is that right around the size of Neptune, planets go from being almost always on circular orbits to ...

Combination of Cosmic Processes Shapes the Size and Location of Sub-Neptunes ... Small and Large Planets Have Significantly Different Upbringings Mar. 5, 2025 — Studying the orbits of thousands ...

A new analysis examined the frequencies of planets of different sizes based on findings from NASA's Kepler spacecraft, correcting for both incompleteness and false positives. The results show that ...

Asteroids are rocky objects that orbit the Sun, just like planets do. There are millions of asteroids of very different shapes and sizes. Some are almost spheres, like planets, but most are ...

A new study compares young and old exoplanets to uncover how worlds shrink, migrate and evolve over time — offering insights ...

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

Planets of this size are largely unexplored beyond our solar ... ESPRESSO instrument on the Very Large Telescope in Chile by a different team that authored an October 2024 study.

Earth grew to its final size through one last major collision with another ... Different types of meteorites coming from the asteroids left over in the solar system after planet formation have ...

But Shibata and Izidoro suggest a different theory ... the "radius valley" -- a noticeable scarcity of planets around 1.8 times the size of Earth. Instead, exoplanets tend to cluster into two ...

The finding points toward two different pathways by which large ... in his honor measured the subtle shapes of orbits of Earth-size planets around other stars." More information: Gregory J.