Astronomer — career guide: stream, exams, degree

Your route, step by step

1Class 11–12: take PCMOptics and gravitation in Physics are the base; night-sky observation is great practice.
2B.Sc / BS-MS PhysicsThrough CUET UG, IISER Aptitude Test or NEST.
3M.Sc PhysicsWith astronomy courses and projects.
4PhD through JESTThen research, observatory or instrument work.

What an astronomer does

Plan and make telescope observations
Build and calibrate instruments
Process and analyse sky data
Share findings and run public outreach

Entrance exams & admission

CUET UGB.Sc at central universities
IISER Aptitude TestBS-MS at IISERs
JESTPhD entrance

Where you may work

Observatories (including the Kodaikanal Solar Observatory and Vainu Bappu Observatory, Kavalur in Tamil Nadu), research institutes, ISRO and planetariums.

Well-known colleges in and near Tamil Nadu

IISER Tirupati
Indian Institute of Astrophysics, Bengaluru (research)

Official links

Exam / admissionIISER Aptitude Test (BS-MS admissions) (opens in a new tab)iiseradmission.in
Exam / admissionNEST — NISER & UM-DAE CEBS admissions (opens in a new tab)nestexam.in
Exam / admissionNational Testing Agency (CUET UG notices) (opens in a new tab)nta.ac.in
Exam / admissionJEST — PhD entrance for physics & astronomy (opens in a new tab)jest.org.in
Official bodyIndian Institute of Astrophysics (opens in a new tab)iiap.res.in
Official bodyRaman Research Institute (opens in a new tab)rri.res.in

Links checked: Oct 2026. Always confirm dates and rules on the official site.

Outlook

Research jobs are few and competitive; planetariums, science communication and data science are good side paths.

Specialise later

Optical astronomy
Radio astronomy
Solar astronomy
Astronomical instrumentation
Planetary science