Four hundred and fifty light-years from Earth, a young star is shining in the center of a system of concentric rings made of gas and dust, and it is producing planets, one for each interval in the ring.
Its discovery has shaken the core principles of the solar system. Worcester Polytechnic Institute scientist Mayer Humi believes that this provides a suitable study target for theories about the protoplanetary ring around stars. Research has been published in Journal of Mathematical Physics.
The star, HL Tauri, is located in the constellation Taurus and evokes interest in Pierre-Simon Laplace’s 1796 projections that celestial clouds of gas and dust form rings and then planets around new stars. The Atacama is an exciting image of HL Tauri captured in 2014 by the Large Millimeter Array, when the planetary rings are depicted in such crisp detail for the first time, an observational confirmation of Laplace’s estimate.
“We can observe many gas clouds in the universe that can develop in the solar system,” said Hami. “Recent observational data suggest that solar systems are abundant in the universe, and some of them can disturb different types of life.”
Humi, along with some of the greatest astronomers throughout history, thought about the creation of the solar system and their evolution in the universe. How do they form and what trajectory will they follow in the future?
“The basic issue was how a primary cloud of gas could evolve under its own gravity to form a solar system,” said Humi.
Humi uses the Euler – Poisson equations, which describe the evolution of gas clouds, and applies them to axially-symmetric rotating gas clouds, subtracting them from six to three model equations.
In the paper, Humi considers the fluid in the primordial gas cloud as an anomalous, stratified fluid flow and derives a time-dependent solution to study the density patterns and evolution of oscillations in the cloud.
Humi’s work suggests that, with the right set of conditions, rings can be formed from a cloud of dust and gas, and this gives credence to Laplace’s 1796 hypothesis that our solar system is the uniform dust and gas around the Sun. Is formed from a cloud of
“I was able to present three analytical solutions that can display rings, insights that cannot be derived from the original system of equations,” said Hammie. “The real challenge is to show that rings can evolve further to form planets.”
ALMA observes planetary formation sites such as the solar system
“On the development of primordial interstellar gas cloud,” Journal of Mathematical Physics, aip.scitation.org/doi/10.1063/1.5144917
Provided by the American Institute of Physics
Quotes: From the Star to the Solar System: How Primoplanic Rings Received in Primordial Gas Clouds (2020, 15 September) from https://phys.org/news/2020-09-star-solar-protoplanetary-primalial-gas on 16 September 2020. Html
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