National News: India is ready to launch a special satellite called NISAR (NASA-ISRO Synthetic Aperture Radar), made in partnership with NASA. This satellite will help watch changes happening on the Earth—like earthquakes, floods, and even small changes in land and ice.
Launch Details
The launch will happen on Wednesday at 5:40 PM from the Satish Dhawan Space Centre in Sriharikota. The satellite will go into a sun-synchronous orbit, which means it will pass over the same parts of Earth at the same time every day.
The rocket carrying the satellite is called GSLV-F16. ISRO started the countdown on Tuesday at 2:10 PM, and final preparations are going on. This is the 18th flight of the GSLV series and the first time it will go into this special orbit. It’s also the 102nd launch from this space center.
What is NISAR?
NISAR is a large Earth-monitoring satellite that weighs around 2,392 kg. What makes it special is that it will scan the entire planet every 12 days. It will take very clear pictures that can show even the smallest changes on Earth’s surface—as small as one centimeter.
This satellite is not just limited to India. It will keep an eye on the whole Earth, including land, forests, snow-covered areas, and coastal regions.
Advanced Radar System
NISAR uses two types of radars—the L-band radar made by NASA and the S-band radar developed by ISRO. These radars are among the most advanced in the world and will help get highly detailed data.
These radars will help scientists watch natural events like:
- Earthquakes
- Volcanic eruptions
- Tsunamis
- Landslides
- Floods
This data can help save lives by giving early warnings and also help in climate studies.
Why This Mission Matters
This is the first time India and the US have built and launched a satellite together. It shows strong teamwork between the two countries in the space field.
The satellite will give very useful information to scientists, governments, and rescue teams across the world. It will help us understand how the Earth is changing and how we can protect it better.
