Feb 28 • 09:00 UTC 🇧🇷 Brazil Folha (PT)

Map shows cosmic gas web extending through the heart of the Milky Way

Astronomers have created the largest and most detailed map of the cosmic gas web that spans the heart of the Milky Way, revealing filaments that resemble rivers of matter flowing through space.

Astronomers have successfully produced the largest and most intricate map of the cosmic gas web that stretches across the center of the Milky Way galaxy. This newly developed map reveals incredible details, including filaments of gas that mimic flowing rivers of matter in the expansive void of space. Utilizing the ALMA (Atacama Large Millimeter/submillimeter Array) telescope situated in Chile, the researchers delved into the dynamics and chemical composition of the galaxy's central region, which is noted for its chaotic and high-energy properties, acting as a massive reservoir for star formation.

The core of the Milky Way is dominated by dense clouds of gas and dust, primarily composed of hydrogen molecules along with helium and other elements, all of which exist at extremely cold temperatures. This central region is essential to our understanding of how stars are formed since it contains the raw materials, including clusters of gas and particulate matter that collapse under their own gravitational pull to give birth to new stars. Notably, this area includes the supermassive black hole known as Sagittarius A*, which lies at the very center of our galaxy.

The observational study carried out using ALMA focused on a region about 650 light-years across, highlighting how gas condenses into stars within the extreme environment of the galactic nucleus. By mapping this dynamic interstellar region so comprehensively, scientists can gain insights into the processes that govern star formation and the evolution of galaxies, thus enhancing our understanding of the universe's composition and the lifecycle of stellar entities.

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