Cabo Cañaveral – Astronomers They have discovered the first seeds of rocky planets that are formed in the gas around a baby star similar to the sun, which provides a valuable look at the dawn of our own solar system.
It is an unprecedented image of ‘Zero Time’, scientists reported Wednesday, when the new worlds begin to form.
“We have captured a direct vision of the hot region where rocky planets are born like the land around young proto -states.”Said Melissa McClure of the Leiden Observatory of the Netherlands, who led the international research team. “For the first time, we can conclude that the first steps of planet formation are happening right now.”
The observations offer a unique vision of the internal functioning of an emerging planetary system, said Fred Ciesla of the University of Chicago, who did not participate in the study that appears in the Nature magazine.
“This is one of the things we have been waiting for. Astronomers have been thinking about how planetary systems are formed for a long period of time,” said Ciesla. “There is a great opportunity here.”
The NASA Webb Space Telescope and the Southern European Observatory in Chile joined to reveal these first planetary training nuggets around the young star known as HOPS-315. It is a yellow dwarf in process like the sun, but much younger, with between 100,000 and 200,000 years old and about 1,370 light years away. A single light year is 9.6 billion kilometers.
In a cosmic scoop, McClure and his team deeply looked at the gas disc A gap on the outside of the album allowed them to look inwards, thanks to the way the star leans towards the earth.
They detected silicon monoxide gas, as well as crystalline silicate minerals, the ingredients of what is believed to be the first solid materials that were formed in our solar system more than 4.5 billion years ago. The action takes place in a place comparable to the asteroid belt between Mars and Jupiter, which contains the leftover construction blocks of the planets of our solar system.
The condensation of hot minerals had never been detected before around other young stars, “so we did not know if it was a universal characteristic of planet formation or a strange characteristic of our solar system,” McClure said in an email. “Our study shows that it could be a common process during the earliest stage of planet formation.”
While other investigations have analyzed younger gas and, more commonly, mature albums with possible planets, there has been no specific evidence of the start of planet formation so far, McClure said.
In an impressive image taken by the Soul of ESO telescopes, the emerging planetary system resembles a firefly that shines against the black emptiness.
It is impossible to know how many planets could be formed around HOPS-315. With a gas disc as massive as the one that the sun could have had, it could also end with eight planets within one million or more years, according to McClure.
Merel van ‘T Hoff of the University of Purdue, co -author, is anxious to find more loan planetary systems. When expanding the network, astronomers can seek similarities and determine what processes could be crucial for the formation of world -like worlds.
Are there planets like Earth out there or are we so special that we should not expect it to happen very often?