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.

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Indian Observatories and Astronomy Questions

Multiple choice

What is the name of the telescope that is located in Chile and is the largest optical telescope in the world?

  1. Very Large Telescope

  2. Keck Telescope

  3. Subaru Telescope

  4. Gran Telescopio Canarias
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Very Large Telescope is located in Chile and is the largest optical telescope in the world. It consists of four 8.2-meter telescopes that can be used together to create a single image with a resolution that is 10 times better than the Hubble Space Telescope.

Multiple choice

What is the name of the telescope that is located in space and is studying the early universe?

  1. Hubble Space Telescope

  2. James Webb Space Telescope

  3. Spitzer Space Telescope

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

The James Webb Space Telescope is located in space and is studying the early universe. It is the most powerful and expensive space telescope ever built.

Multiple choice

Which Indian institution is actively involved in the study of asteroid composition and surface properties?

  1. Indian Institute of Astrophysics

  2. Physical Research Laboratory

  3. Aryabhatta Research Institute of Observational Sciences

  4. Jawaharlal Nehru Centre for Advanced Scientific Research
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Physical Research Laboratory in Ahmedabad, India, is actively involved in the study of asteroid composition and surface properties.

Multiple choice

What is the primary technique used by Indian scientists to study asteroid composition?

  1. X-ray spectroscopy

  2. Infrared spectroscopy

  3. Visible-light spectroscopy

  4. Radio astronomy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Visible-light spectroscopy is the primary technique used by Indian scientists to study asteroid composition.

Multiple choice

Which asteroid family was identified by Indian astronomers using visible-light spectroscopy?

  1. Eos family

  2. Themis family

  3. Vesta family

  4. Flora family
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Eos family was identified by Indian astronomers using visible-light spectroscopy.

Multiple choice

What is the name of the Indian astronomical observatory that was built in the 16th century?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Delhi Observatory

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

The Jantar Mantar is an Indian astronomical observatory that was built in the 16th century.

Multiple choice

Which Indian astronomical facility is known for its significant contributions to the study of dark matter and the Hubble Constant?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. National Centre for Radio Astrophysics (NCRA)

  4. Indian Institute of Astrophysics (IIA)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is a prominent Indian astronomical facility that has played a crucial role in advancing the study of dark matter and the Hubble Constant. It is located near Pune, Maharashtra, and consists of an array of 30 fully steerable parabolic radio telescopes.

Multiple choice

Which Indian astronomical institution is actively involved in the study of dark matter through gravitational lensing observations?

  1. Indian Institute of Astrophysics (IIA)

  2. Raman Research Institute (RRI)

  3. National Centre for Radio Astrophysics (NCRA)

  4. Inter-University Centre for Astronomy and Astrophysics (IUCAA)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is actively engaged in the study of dark matter using gravitational lensing observations. Their research focuses on understanding the properties and distribution of dark matter through the analysis of gravitational lensing effects on distant galaxies.

Multiple choice

Which Indian astronomical facility is equipped with a specialized instrument for studying the Hubble Constant using supernova observations?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. National Centre for Radio Astrophysics (NCRA)

  4. Indian Institute of Astrophysics (IIA)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Aryabhatta Research Institute of Observational Sciences (ARIES) in Nainital, Uttarakhand, is equipped with a specialized instrument called the Himalayan Chandra Telescope (HCT). The HCT is used for studying the Hubble Constant through observations of distant supernovae.

Multiple choice

Which Indian astronomical institution is known for its research on the Hubble Constant using gravitational lensing techniques?

  1. Indian Institute of Astrophysics (IIA)

  2. Raman Research Institute (RRI)

  3. National Centre for Radio Astrophysics (NCRA)

  4. Inter-University Centre for Astronomy and Astrophysics (IUCAA)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Raman Research Institute (RRI) in Bengaluru, Karnataka, is known for its research on the Hubble Constant using gravitational lensing techniques. Their studies focus on measuring the Hubble Constant through the analysis of gravitational lensing effects on distant galaxies.

Multiple choice

Which Indian observatory is known for its discovery of the first extragalactic radio source, Cygnus A?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Udaipur Solar Observatory (USO)

  3. Vainu Bappu Observatory (VBO)

  4. Aryabhata Research Institute of Observational Sciences (ARIES)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is located near Pune, Maharashtra, and is known for its discovery of the first extragalactic radio source, Cygnus A, in 1946.

Multiple choice

What is the name of the Indian observatory that discovered the first pulsar, PSR B1919+21?

  1. Ooty Radio Telescope (ORT)

  2. Vainu Bappu Observatory (VBO)

  3. Udaipur Solar Observatory (USO)

  4. Aryabhata Research Institute of Observational Sciences (ARIES)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Ooty Radio Telescope (ORT) is located in Ooty, Tamil Nadu, and is known for its discovery of the first pulsar, PSR B1919+21, in 1967.

Multiple choice

Which Indian observatory was involved in the discovery of the first X-ray binary star, Sco X-1?

  1. Vainu Bappu Observatory (VBO)

  2. Giant Metrewave Radio Telescope (GMRT)

  3. Udaipur Solar Observatory (USO)

  4. Aryabhata Research Institute of Observational Sciences (ARIES)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Vainu Bappu Observatory (VBO) is located in Kavalur, Tamil Nadu, and was involved in the discovery of the first X-ray binary star, Sco X-1, in 1962.

Multiple choice

What is the name of the Indian observatory that made the first detection of gravitational waves?

  1. Laser Interferometer Gravitational-Wave Observatory (LIGO)

  2. Aryabhata Research Institute of Observational Sciences (ARIES)

  3. Vainu Bappu Observatory (VBO)

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

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a joint project between the United States and India, and it made the first detection of gravitational waves in 2015.

Multiple choice

Which Indian observatory is known for its discovery of the first optical counterpart of a gamma-ray burst, GRB 080319B?

  1. Udaipur Solar Observatory (USO)

  2. Vainu Bappu Observatory (VBO)

  3. Giant Metrewave Radio Telescope (GMRT)

  4. Aryabhata Research Institute of Observational Sciences (ARIES)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Udaipur Solar Observatory (USO) is located in Udaipur, Rajasthan, and is known for its discovery of the first optical counterpart of a gamma-ray burst, GRB 080319B, in 2008.