Washington DC:
Astronomers have revealed new evidence that Barnard’s star has not just one but four small planets, which is the second-nicky star system for the Earth.
Four planets, each only 20 to 30% of the Earth mass, are so close to their domestic stars that they zip around the entire star in a few days. Perhaps this means that they are very hot to be living, but this discovery is a new benchmark for the discovery of small planets around the nearby stars.
“This is a really exciting discovery – Barnard’s star is our cosmic neighbor, and yet we know very little about it,” said PhD student at the University of Chicago and the first writer on study. “It has been indicating a success with accuracy of these new devices from the previous generations.”
The discovery adds weight to a team of November using a separate telescope, which found strong evidence for a planet around the star of Bernard and indicated on others.
New studies, including Mithun Observatory/National Science Foundation Nerlab, Hydeberg University and Scientists with Amsterdam University, were published in Astrophysical Journal Letters on 11 March.
Since a century, astronomers have been studying the star of Bernard, who are hoping to find the planets around it. The first time discovered by EE Barnard in the Yarkase Observatory in 1916, this is the nearest system with the same configuration that we do – that is, with only one star. (For us, three stars in the nearest star system, Proxima Centouri, orbit each other, which changes the planetary formation and the dynamics of the classrooms).
Barnard’s star is a type of type of type called M Dwarf Star, which we now know that there are many in the universe. Therefore, scientists, would like to know more about what kind of planets they host.
The problem is that these distant planets are very small to be seen next to the talent of their stars, even with our most powerful telescopes. This means that scientists have been creative to find them.
Such an attempt was led by Uchicago Pro.
Because stars are very bright compared to their planets, it is easy to find the effects that the planets are on their stars – such as how to monitor the air on seeing how a flag moves.
Marun-X looks for such an effect; The gravity of each planet tugs a little on the position of the star, which means that the star starts to falter back and forth. Marun-X measures the color of light so properly that it can raise these slight changes, and even distinguish the number and mass of planets that the star must orbit for this effect.
(Tagstotransite) planet (T) Astronomers (T) Scientist (T) Barnard ‘
