Astronomer have discovered a six-planet system.

Date:21 April
Day: Tuesday

Solar System:

The Solar System includes the Sun and that celestial body. The Solar System is about 4.6 billion years old.  It is formed by gravity in a large molecular cloud.  Most of the matter converged at the center, and the rest were leveled into a orbiting disk that formed the solar system.  It is believed that almost all stars are formed by this process.  Which are bound to each other in this circle by the force of gravity.  Satellites, asteroids, meteors, comets and celestial dust.  Our solar system combines our sun and its planetary system. These bodies include eight planets, their 172 known satellites five dwarf planets and billions of tiny bodies.

         Solar System

 Science and Environment::

 Scientists have discovered a six-planetary system - one "super-earth" and five "mini-neptunes" that exhibit an extraordinary regular spacing, explaining how the system is formed.

 According to the study published in the journal Astronomy and Astrophysics, planets revolving in the Draco constellation were found using the SOPHIE spectrograph installed at the Haute-Provence Observatory in the south of France.

"The discovery of this extraordinary system is made possible by the acquisition of a large number of measurements, as well as the dramatic improvement of the instrumentation and our signal processing techniques," said François Bauchi, a professor at the University of Geneva.  (UNIGE) in Switzerland.

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The researchers said that the planet HD is closest to 158259 and that five outer planets exist two and six times larger, respectively, of the Earth, the researchers said.

The system has been found to be compact, the distance to the outermost planet being 2.6 times smaller than the distance between Mercury and the Sun, he said.

NASA's TESS Space Telescope observed a decrease in star brightness as the innermost planet transit between the observer and the star.

Tess measurements strongly support the planet's identity and allow it to estimate its radius, which brings much valuable information on the planet's internal structure, "Isabel Boise, a researcher at the Marseille Astrophysics Laboratory in France and co  -The author said. Study.

          six planets orbiting .

Researchers noted that hundreds of multi-planetary systems are known, but only a dozen contain six planets or more.

He said that the presence of the six planets orbiting HD 158259 already makes this system remarkable, but it is not its most interesting feature: what makes it extraordinary is its regularity.

The ratio of the duration of any two subsequent planets is close to 3: 2.  This means that as the first planet - one closest to the star - completes three orbits, the second one completes about two.

As this second planet completes three orbits, the third almost completes two, and so on.

This situation is better understood in the general framework of "resonance", which plays an important role in the architecture of planetary systems.

Researchers point out that many planets are periodically seen to resonate in the same configuration.

Nathan C. Hara, a UNIGE researcher and first author of the study, said, "It is worth comparing different rethums for many musicians, yet who score at the same time at the beginning of each bar."

Planets can also be close to resonance, but not actually within.  Researchers said that this is the case for HD 158259 planets.

Scientists have discovered a six-planetary system - one "super-earth" and five "mini-neptunes" that exhibit an extraordinary regular spacing, explaining how the system is formed.

According to the study published in the journal Astronomy and Astrophysics, planets revolving in the Draco constellation were found using the SOPHIE spectrograph installed at the Haute-Provence Observatory in the south of France.

"The discovery of this extraordinary system is made possible by the acquisition of a large number of measurements, as well as the dramatic improvement of the instrumentation and our signal processing techniques," said François Bauchi, a professor at the University of Geneva.  (UNIGE) in Switzerland.

The researchers said that the planet HD is closest to 158259 and that five outer planets exist two and six times larger, respectively, of the Earth, the researchers said.

The system has been found to be compact, the distance to the outermost planet being 2.6 times smaller than the distance between Mercury and the Sun, he said.

NASA's TESS Space Telescope observed a decrease in star brightness as the innermost planet transit between the observer and the star.

"TESS measurements strongly support the planet's identity and allow it to estimate its radius, which brings a lot of valuable information on the planet's internal structure," Isabel Boise, a researcher at the Marseille Astrophysics Laboratory in France and co  - The writer said.  study.

 Researchers noted that hundreds of multi-planetary systems are known, but only a dozen contain six planets or more.

He said that the presence of six planets orbiting HD 158259 already makes this system remarkable, but it is not its most interesting feature.

The ratio of the duration of any two subsequent planets is close to 3: 2.  This means that as the first planet - one closest to the star - completes three orbits, the second one completes about two.

As this second planet completes three orbits, the third almost completes two, and so on.

This situation is better understood in the general framework of "resonance", which plays an important role in the architecture of planetary systems.

Planets can also be close to resonance, but not actually within.  Researchers said that this is the case for HD 158259 planets.

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