Summary
The vessel ‘Sagar Manthan’ will help scientists explore the deep sea.
It has high‑tech tools like many sound beams to map the ocean floor.
Scientists can use underwater robots to study places even the ship can't reach.
Key Points
5 points1
‘Sagar Manthan’ launched as India's newest Ocean Research Vessel.
2
Constructed by Garden Reach Shipbuilders and Engineers in Kolkata.
3
Equipped with multibeam bathymetry, seismic and sub‑bottom profiling gear.
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Can deploy Remotely Operated Vehicles and Autonomous Underwater Vehicles.
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Will replace the older research ship that served for over four decades.
New Words to Learn
15 wordsindigenous
made in our own country
maritime
related to the sea and ships
geophysical
studying the Earth’s shape and layers
multibeam bathymetry
using many sound beams to map the sea floor
seismic
studying shaking or waves inside the Earth
sub-bottom profiling
looking at layers under the sea floor
Remotely Operated Vehicles
underwater robots controlled from the ship
Autonomous Underwater Vehicles
underwater robots that can move on their own
hydrothermal sulphide mineralisation
minerals that form near hot underwater vents
conductivity
how well water can carry electricity
temperature
how hot or cold something is
depth
how deep the water is
certification
official approval that something meets safety rules
keel laying
the first step of building a ship, putting the main beam
superstructure
the part of the ship built on top of the main hull
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