ISRO Aims to Explore ExoWorlds with Similar To Webb Space Telescope

Indian scientists have recently proposed an ambitious project to develop a new space telescope aimed at studying exoplanets—planets that orbit stars outside our solar system. Drawing inspiration from the James Webb Space Telescope (JWST), this initiative signifies India's growing commitment to advancing astronomical research and exploring distant worlds.

A Vision Inspired by JWST

The James Webb Space Telescope, launched by NASA, has revolutionized our understanding of the universe with its advanced capabilities in capturing detailed images and spectra of distant celestial objects, including exoplanets. Its ability to analyze the atmospheres of these distant worlds has provided unprecedented insights into their composition and potential habitability. Inspired by JWST's success, Indian scientists aim to develop a telescope with similar capabilities, tailored to specific research objectives and regional requirements.

Advancements in Indian Exoplanet Research

India's journey into exoplanet research began in 2008 when astronomers at the Physical Research Laboratory (PRL) in Ahmedabad initiated a dedicated program using the radial velocity method—a technique that detects variations in a star's motion caused by the gravitational pull of orbiting planets. This effort led to the development of instruments like PARAS (PRL Advanced Radial-velocity Abu-sky Search), which achieved significant milestones, including the discovery of a sub-Saturn exoplanet around a Sun-like star in 2018. The subsequent upgrade, PARAS-2, attached to a 2.5-meter telescope at PRL's Mount Abu InfraRed Observatory (MIRO), has further enhanced detection capabilities, enabling the discovery of exoplanets such as TOI-6651b—a dense, Saturn-sized planet located approximately 690 light-years away.

Proposed Telescope Specifications

While specific details of the proposed telescope are under development, it is expected to incorporate advanced spectrographs and imaging instruments capable of:

• High-Resolution Spectroscopy: To analyze the chemical composition of exoplanetary atmospheres, identifying elements and potential biomarkers.

• Direct Imaging: To capture images of exoplanets, particularly those in the habitable zones of their parent stars.

• Infrared Observations: To detect heat signatures, allowing the study of planetary formation and thermal properties.

These capabilities would enable Indian astronomers to conduct in-depth studies of exoplanets, assessing their potential habitability and understanding their formation and evolution.

Strategic Importance and Future Prospects

The development of this telescope aligns with India's broader vision of achieving self-reliance in space technology and contributing to global scientific endeavors. By investing in such advanced instruments, India positions itself to make significant contributions to the field of exoplanet research, fostering international collaborations and inspiring future generations of scientists.

In conclusion, the proposal to develop a space telescope inspired by the James Webb Space Telescope reflects India's dedication to exploring the cosmos and understanding the myriad worlds beyond our solar system. As this project progresses, it promises to place Indian scientists at the forefront of exoplanetary studies, unraveling the mysteries of distant exoworlds.