Astronomers first spot signs of a planet in a three-star system

03.10.2021 , Pavel Kotov

Scientists at the University of Nevada in Las Vegas may have first discovered a planet in the GW Ori system (in the constellation Orion) with three stars. It is believed that about half of the systems include two or more stars bound together by gravitational forces. However, until now, no planets have been found orbiting three stars.

Источник: phys.org

Source: phys.org

While observing with the ALMA telescope, scientists from Nevada analyzed dust rings around three stars in the GW Ori system … Such rings are critical to the formation of planets. A significant break was found in one of the discs. Astronomers have investigated various options for the causes of this phenomenon, including the possibility of a rupture due to the gravitational moment of these stars. However, based on the results of computer simulations of GW Ori, it was concluded that the most likely cause is the presence of one or more massive planets like Jupiter. Smallwood (Jeremy Smallwood), gas giants are the first planets to form in star systems. After them, terrestrial planets such as Earth or Mars appear. The planet itself, if it exists, cannot be seen, however, according to the authoritative English magazine Monthly Notices of the Royal Astronomical Society (“Monthly Notes of the Royal Astronomical Society”), it may become the first open planet in a system with three stars. In the near future, scientists plan to continue observations with the ALMA telescope – perhaps they will be able to obtain direct evidence of this phenomenon.

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