Astronomer

Dear Chirag Paridar,
There are many good colleges & universities which provide B.Sc Honours like Delhi university, IP University, Amity University, LPU Punjab, Chandigarh University, etc.
To get job in ISRO you will have to clear exam of ISRO which is conducted every year by ISRO

Sorry Muskan, you will need mathematics to have a career as an astronomer. With a PCB background, you can look for other options but not anything related to space science or engineering which requires maths.

You can't become an astronaut in India. You have to settle in USA or Russia, if you want to become an astronaut.

An astronaut is a person trained by a human space flight program to command, pilot, or serve as a crew member of a spacecraft. Although generally reserved for professional space travellers, the terms are sometimes applied to anyone who travels into space, including scientists also. Following are the

Hi,
Kindly follow this link for a detailed answer:
http://www.astronautabby.com/how-to-become-an-astronaut-2/

Physical cosmology is a branch of physics and astrophysics that deals with the study of the physical origins and evolution of the universe. It also includes the study of the nature of the universe on a large scale.
I think the most important thing one needs in a profession like astronomy and cosmolo