Prahaar is a contemporary weapon system capable of carrying multiple types of warheads & neutralizing a wide variety of targets. It is a indigenously developed surface-to-surface tactical missile by DRDO.
A person or scientist who studies on water is called as Hydrologist. Since the study of water and its properties is known as Hydrology, the persons who deals with this field are known as Hydrologists.
Geographer :
A scientist who studies Earth's natural environment and how human society uses the natural environment.
Herpetologist :
A person who studies reptiles and amphibians.
Archeologist :
Someone who studies people and what they did in the past from the things they left behind.
In terms of the Earth's atmosphere, they occupy regions called the thermosphere and the exosphere. The layer through which a satellite orbits depends on the satellite's function and the kind of orbit it has.
The thermosphere is a region of very high temperature that extends from the top of the mesosphere at around 85 kilometers (53 miles) up to 640 kilometers (400 miles) above the Earth's surface. It is called the thermosphere because temperatures can reach up to 1,500 degrees Celsius (2,732 degrees Fahrenheit).
However, despite the high temperatures, the pressure is very low, so satellites don't suffer heat damage.
India TV chairman and editor-in- chief Rajat Sharma will be the new president of the News Broadcasters Association (NBA) for 2017-18.
Lithoshpere are composed of rocks in the crust and upper mantle that behave as brittle solids. The lithosphere is Earth's outermost layer.
Accoustics is a subject deals with the Study of sound
Aesthetics is a Philosophy of fine arts
The science or art of flight is called Aeronautics
The science of soil management is called Agronomy.
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