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AX-4 Mission: Seven Microgravity Experiments by Shubhanshu Shukla

17 June 20251 min read
SCIENCE & TECHNOLOGYAX-4 Mission: SevenMicrogravityExperiments byShubhanshu Shukla17 June 2025safalsetu.com

Why in the news

India prepared to send its first astronaut to the International Space Station on Axiom-4, with ISRO choosing seven experiments proposed by Indian national labs and academic institutions.

Key facts

  • Astronaut: Group Captain Shubhanshu Shukla.
  • Mission: Axiom-4 (AX-4); scheduled launch June 19, 2025; 14 days on the ISS.
  • Partners: Axiom Space, NASA and ISRO.
ExperimentPurpose
Edible microalgae under radiationViability as space food and bioresource
Sprouting of salad seedsSeed germination for space farming
Tardigrade survival and transcriptomicsSpaceflight effects on extremophiles
Metabolic supplementsCountering muscle loss
Interaction with electronic displaysBetter interface design for crews
Cyanobacteria proteomics, urea vs nitrateAdaptability to other nitrogen sources
Food crop seeds’ growth and yieldFood security on long missions

Exam angle

  • Mission name: Axiom-4. Number of experiments: seven.
  • Organism studied for extremophile survival: tardigrade.

Test yourself

1. How many microgravity experiments did ISRO shortlist for Shubhanshu Shukla on the AX-4 mission?

ISRO shortlisted seven experiments.

2. Which organism's survival in microgravity was studied among the AX-4 experiments?

Tardigrade survival and transcriptomics was one experiment.

3. How long was Shubhanshu Shukla's planned stay aboard the ISS?

The notes state a 14-day stay.