General Awareness ยท Physics

Indian Observatories and Astronomy

2,525 Questions

Indian observatories and astronomy questions cover national research institutions, space telescopes, radio telescopes, and historic astronomical events. These facts are highly relevant for the general awareness section of UPSC and state PSC exams. Solve these questions to memorize key observatories and their specific functions.

Optical telescopes in IndiaRadio telescopes IndiaAstronomical research institutesSpace observatory missions

Indian Observatories and Astronomy Questions

Multiple choice

Which of the following is the largest astronomy club in Kolkata?

  1. The Calcutta Astronomical Society

  2. The West Bengal Astronomical Society

  3. The Eastern India Astronomical Society

  4. The Jadavpur University Astronomical Society
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Calcutta Astronomical Society is the largest astronomy club in Kolkata, with over 300 members.

Multiple choice

Which Indian observatory played a crucial role in detecting the first-ever image of a black hole in 2019?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. Udaipur Solar Observatory (USO)

  4. Vainu Bappu Observatory (VBO)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) in Pune, India, contributed significantly to the Event Horizon Telescope collaboration, which captured the groundbreaking image of a black hole in 2019.

Multiple choice

What is the name of the Indian astronomical facility that houses the largest optical telescope in Asia?

  1. Vainu Bappu Observatory (VBO)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. Udaipur Solar Observatory (USO)

  4. Giant Metrewave Radio Telescope (GMRT)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Vainu Bappu Observatory (VBO) in Tamil Nadu, India, is home to the largest optical telescope in Asia, with a 2.34-meter primary mirror.

Multiple choice

Which Indian observatory is known for its contributions to the study of black hole jets?

  1. Vainu Bappu Observatory (VBO)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. Udaipur Solar Observatory (USO)

  4. Giant Metrewave Radio Telescope (GMRT)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Aryabhatta Research Institute of Observational Sciences (ARIES) in Uttarakhand, India, has made significant contributions to the study of black hole jets, which are powerful outflows of matter and energy from black holes.

Multiple choice

What is the name of the Indian astronomical facility that houses the largest radio telescope in the world?

  1. Vainu Bappu Observatory (VBO)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. Udaipur Solar Observatory (USO)

  4. Giant Metrewave Radio Telescope (GMRT)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) in Pune, India, is the world's largest radio telescope, consisting of an array of 30 fully steerable parabolic radio telescopes.

Multiple choice

Which Indian observatory is known for its contributions to the study of black hole binaries?

  1. Vainu Bappu Observatory (VBO)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. Udaipur Solar Observatory (USO)

  4. Giant Metrewave Radio Telescope (GMRT)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Udaipur Solar Observatory (USO) in Rajasthan, India, has made significant contributions to the study of black hole binaries, which are systems consisting of a black hole and a companion star.

Multiple choice

What is the name of the Indian gravitational wave observatory?

  1. LIGO India

  2. VIRGO India

  3. Einstein Telescope India

  4. IndIGO
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

IndIGO stands for Indian Initiative in Gravitational-wave Observations and is a proposed gravitational wave observatory in India.

Multiple choice

How many detectors will the IndIGO observatory have?

  1. 2

  2. 3

  3. 4

  4. 5
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The IndIGO observatory will have three detectors.

Multiple choice

Which of the following is NOT a major infrared space telescope?

  1. Hubble Space Telescope

  2. Spitzer Space Telescope

  3. James Webb Space Telescope

  4. Chandra X-ray Observatory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chandra X-ray Observatory is an X-ray space telescope, not an infrared telescope.

Multiple choice

Which infrared telescope was launched in 2003 and revolutionized our understanding of the infrared universe?

  1. Hubble Space Telescope

  2. Spitzer Space Telescope

  3. James Webb Space Telescope

  4. Chandra X-ray Observatory
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Spitzer Space Telescope was launched in 2003 and provided groundbreaking observations in the infrared spectrum.

Multiple choice

Which infrared telescope is known for its high angular resolution and ability to directly image exoplanets?

  1. Hubble Space Telescope

  2. Spitzer Space Telescope

  3. James Webb Space Telescope

  4. Very Large Telescope
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Very Large Telescope is an infrared telescope known for its high angular resolution and ability to directly image exoplanets.

Multiple choice

Which of the following is the largest optical telescope in India?

  1. Himalayan Chandra Telescope

  2. Giant Metrewave Radio Telescope

  3. Aryabhatta Research Institute of Observational Sciences

  4. Vainu Bappu Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Himalayan Chandra Telescope, located in Uttarakhand, is the largest optical telescope in India with a mirror diameter of 2.01 meters.

Multiple choice

What is the name of the Indian Institute of Astrophysics's (IIA) largest radio telescope?

  1. Giant Metrewave Radio Telescope

  2. Aryabhatta Research Institute of Observational Sciences

  3. Vainu Bappu Observatory

  4. Himalayan Chandra Telescope
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is the largest radio telescope operated by the Indian Institute of Astrophysics (IIA) and is located near Pune, Maharashtra.

Multiple choice

What is the name of the Indian Institute of Astrophysics's (IIA) largest optical telescope?

  1. Himalayan Chandra Telescope

  2. Giant Metrewave Radio Telescope

  3. Aryabhatta Research Institute of Observational Sciences

  4. Vainu Bappu Observatory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Vainu Bappu Observatory (VBO) is the largest optical telescope operated by the Indian Institute of Astrophysics (IIA) and is located near Kavalur, Tamil Nadu.

Multiple choice

What is the name of the Indian Institute of Astrophysics's (IIA) largest infrared telescope?

  1. Himalayan Chandra Telescope

  2. Giant Metrewave Radio Telescope

  3. Aryabhatta Research Institute of Observational Sciences

  4. Vainu Bappu Observatory
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Aryabhatta Research Institute of Observational Sciences (ARIES) is the largest infrared telescope operated by the Indian Institute of Astrophysics (IIA) and is located near Nainital, Uttarakhand.