In a major development for scientists seeking opportunities to conduct experiments in a microgravity environment or showcase cutting-edge technologies designed for Earth's orbit, the Indian Space Research Organisation (ISRO) has introduced a novel solution. This pioneering alternative is poised to revolutionize access to space, offering a practical avenue for researchers.

Traditionally, there have been two primary options for those wishing to experiment in a microgravity environment or test Earth orbit technologies. The first entails the deployment of payloads on a satellite and arranging transportation to Earth orbit, preferably through cost-effective ridesharing agreements. The second option is to ferry the payload to an Earth orbit-based platform, like the International Space Station or the Chinese Tiangong Space Station.

However, ISRO has introduced a third, inventive solution that optimizes the use of the spent or discarded upper stage of its trusted workhorse, the Polar Satellite Launch Vehicle (PSLV). Known as the PSLV Orbital Experimental Module (POEM), this platform is designed to accommodate scientific payloads. It offers essential support through communication hardware, batteries, and deployable solar panels to serve as an energy source. What sets this option apart is ISRO's commitment to providing Indian researchers with mostly free access to space, as confirmed by ISRO Chairman S. Somanath.

This exciting opportunity garnered significant attention, particularly from private aerospace startups and academic institutions across India. IN-SPACe, the designated single-window clearance agency for private spaceflight endeavors in India, initially invited proposals to host payloads on the POEM platform. Now, the Department of Space has reported a remarkable response, with 34 applications submitted by 26 different entities. These applicants are eager to demonstrate and validate technologies currently in development.

The Department of Space is currently in the process of evaluating these proposals, with plans to select the most promising POEM payloads for inclusion on two upcoming PSLV flights. One of the main hurdles faced by new companies in the field of orbital technologies has been securing access to space. With the introduction of the POEM platform, ISRO's PSLV is opening new doors by providing affordable and sustainable access to Earth orbit, thus expanding the horizons of space exploration.

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