NASA has confirmed A total of 5,206 exoplanets orbit their stars. In the same way that the Earth does with the Sun. According to their data, 3,894 different planetary systems have been detected and this is increasing as more space is being explored.
Some of the known planets are giant and gaseous, with radii 2.5 times larger than Earth’s, others that are rocky, similar to Earth, with radii 1.4 times larger than our own. However, there is a big difference in representation between these: planets about 1.8 times the radius of Earth. The lack of data on these planets is known as ‘Valley of Radium’.
the second unknown is called ‘peas in a pod’ And it’s about the fact that it’s common to find neighboring planets of similar size in similar planetary systems.
Solutions to these scientific doubts
some researchers from Proecto Cleaver (‘The cycle of life-essential volatile elements in rocky planets’)Those from Rice University in Houston, thanks to a supercomputer, have managed to provide possible answers to these unknowns. Andre Ijidoro, the study’s lead scientist, explains that they have created a model that shows how the forces acting on the newly formed planets are related. Their discovery suggests that both the ‘radius valley’ and the ‘peas in a pod’ would be related to the first years of the planet’s existence and the collisions that occur during these stages.
For the project, a supercomputer was used that reproduced the way planets move from one place to another until they find their fixed orbit. scientists made A simulation to analyze the first 50 million years of the planetary system in which protoplanetary disks of gas and dust interact with the migrated planets, bringing them closer to the stars they orbit.
The simulations showed how orbital resonance occurs when two or more orbiting celestial bodies regularly interact with each other gravitationally. This can stabilize the orbit, but can also destabilize it. After a few million years, the protoplanetary disk dissipates and the orbits of the formed planets move, causing instabilities Which may end in a collision between the planets.
His comments conclude About 50% of rocky worlds are larger than Earth And that planets rich in ice and water typically have a radius of 2.5 times the size of our planet.
“I think we are the first to explain the radio valley using a model of planet formation and dynamical evolution, which coherently explains many of the limitations of the observations,” says Isidoro. “We can also show that a model of planet formation that affects giants is consistent with the pea-in-a-pod exoplanet characteristic.”
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