Correct Answer :   Indian Institute of Astrophysics

Scientists in Bengaluru have stumbled upon an astronomical revelation that has sent ripples of excitement through the world of astrophysics.

This discovery has upended established notions about star formation processes, casting new light on how stars come into being. This groundbreaking finding emerged from the Indian Institute of Astrophysics (IIA), Bengaluru, and promises to reshape our understanding of the universe.

The Enigmatic Star - HE 1005-1439

At the heart of this scientific intrigue lies a celestial entity known as "HE 1005-1439," a star that defies conventional classification. This star stands out in the cosmos as a carbon-enhanced metal-poor (CEMP) star, a rare and intriguing type. It's more than just its classification that has scientists buzzing; it's the discovery that this star might have formed through an unexpected combination of two distinct neutron-capture processes: the slow (s-) and intermediate (i-) processes.

Decoding Neutron-Capture Processes

But what are these processes, and why are they causing such a stir among astronomers? The journey to comprehend these phenomena takes us into the realm of nuclear astrophysics. Beyond the element iron, the universe's elements are formed through reactions called neutron capture processes. The "slow" (s-) process is believed to occur within low-mass stars during a phase known as asymptotic giant branch (AGB), while the "rapid" (r-) process is thought to transpire during explosive events like Supernovae and Neutron Star mergers. In this intricate dance of cosmic forces, a new player emerges: the "intermediate" (i-) process, linked to low-metallicity low-mass AGB stars.

Implications for Galactic Evolution

This discovery's implications are far-reaching, extending beyond the immediate excitement of the scientific community. By unraveling the intricate balance of these processes, researchers gain vital insights into the elemental composition of stars. This understanding provides a unique lens through which to study the chemical evolution of galaxies, shedding light on the origins of elements that make up our universe.

As the world grapples with this paradigm-shifting discovery, the boundaries of human knowledge continue to expand. The emergence of the HE 1005-1439 star has reminded us once again that the universe holds uncharted territories waiting to be explored. With every new insight gained, we inch closer to unraveling the mysteries that have captivated humankind for generations..

Source : Economic Times