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Shubhanshu Shukla conducts microalgae experiment on ISS for Gaganyaan mission
Microalgae could help develop life support systems for astronauts

Shubhanshu Shukla conducts microalgae experiment on ISS for Gaganyaan mission

Jun 30, 2025
01:23 pm

What's the story

Group Captain Shubhanshu Shukla, the first Indian astronaut on the International Space Station (ISS) mission, is conducting a space microalgae experiment. The project, sent by the Indian Space Research Organisation (ISRO), involves growing three strains of microalgae in microgravity and studying their growth, metabolism, and genetic activity. The findings could help ISRO develop a crucial life support system for its upcoming Gaganyaan mission.

Future applications

Microalgae could help develop life support systems for astronauts

Microalgae, tiny organisms that can be used as food, fuel, or in life support systems, could play a major role in future space exploration. The experiment will compare the behavior of these algae strains in microgravity with those grown on Earth. Shukla has already deployed sample bags and photographed the algae strains as part of this groundbreaking research.

Communication

Shukla spoke to PM Modi from the ISS

Before starting the experiment, Shukla spoke to Prime Minister Narendra Modi from the ISS. He assured that he was safe and doing well aboard the ISS, calling it a "whole new experience." The astronaut also expressed his happiness at representing India in space. Last week, Shukla was launched on a SpaceX Dragon spacecraft from NASA's Kennedy Space Center in Florida to the ISS.

Mission details

SpaceX Dragon's journey to the ISS

The SpaceX Dragon spacecraft took a 28-hour journey before docking successfully at the ISS's Harmony module. Shukla is part of a crew that includes US mission commander Peggy Whitson, Polish mission specialist Sawosz Uznanski, and Hungarian mission specialist Tibor Kapu. During his conversation with PM Modi, Shukla also shared his view of Earth as a complete planet with no visible borders.