About PRATUSH:
- PRATUSH (Probing ReionizATion of the Universe using Signal from Hydrogen) is being built by the Raman Research Institute (RRI) and the Indian Space Research Organisation (ISRO).
- It will study when the first stars formed in our universe and the nature of the first stars.
- Initially, ISRO will place PRATUSH into orbit around the earth. After some fine-tuning, the space agency will launch it moonwards.
- Advantages: Operating in free space and lesser ionosphere impact.
Why in news?
- India is among the countries looking to put high-resolution telescopes on the far side of the moon. India has proposed the PRATUSH Telescope.