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SPACE EXPLORATION.INअंतरिक्ष · India’s space journalIndia-firstSource-led · English edition
Editorial desk
Solar physics, Earth observation, astronomy and the instruments extending India’s view of the universe.
Science
Separate Hα and [CII] velocity components support the dual-AGN identification at redshift 4.5. The manuscript is accepted by Nature Astronomy but remains an arXiv preprint, and its record claim is the authors'.
Science
A Nature study links an extreme Balmer break to a dense, turbulent gas envelope around a black hole, but the mass estimate spans more than two orders of magnitude and another peer-reviewed model invokes one supermassive star.
Science
Two accepted studies use repeated spectra to separate variable Hα behaviour in Herbig stars from steadier Be signatures and continuum changes in evolved systems.
Solar science
The 6.40 keV signal tracked flare X-rays and weakened toward the solar limb, giving SoLEXS a possible way to constrain coronal source geometry—with important limits.
Earth observation
Cycle 25 data is now flowing into an eight-product catalogue with about 48-hour operational latency, while historical scenes and calibration refinements remain works in progress.
Solar science
With more than 30 TB of mission data already public, ISRO is inviting India’s solar-physics community to propose the observatory’s next investigations.