Dark Matter and the Structure of Galaxies in Indian Astronomy

Description: This quiz is designed to test your knowledge about Dark Matter and the Structure of Galaxies in Indian Astronomy.
Number of Questions: 15
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Tags: indian astronomy dark matter structure of galaxies
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What is the primary component of dark matter in the universe, according to Indian astronomers?

  1. Weakly Interacting Massive Particles (WIMPs)

  2. Axions

  3. Sterile Neutrinos

  4. Primordial Black Holes


Correct Option: A
Explanation:

Indian astronomers have extensively studied the properties and behavior of WIMPs, considering them as potential candidates for dark matter.

Which Indian observatory is dedicated to the study of dark matter and related astrophysical phenomena?

  1. Aryabhatta Research Institute of Observational Sciences (ARIES)

  2. Giant Metrewave Radio Telescope (GMRT)

  3. Vainu Bappu Observatory (VBO)

  4. Tata Institute of Fundamental Research (TIFR)


Correct Option: A
Explanation:

ARIES, located in Nainital, Uttarakhand, is equipped with advanced instruments and facilities specifically designed for dark matter research.

What is the name of the Indian satellite mission aimed at studying dark matter and other cosmic mysteries?

  1. AstroSat

  2. Chandrayaan-1

  3. Mangalyaan

  4. NISAR


Correct Option: A
Explanation:

AstroSat is India's first dedicated astronomy satellite, carrying instruments to investigate various aspects of astrophysics, including dark matter.

Which Indian astronomer played a significant role in the development of the theory of modified Newtonian dynamics (MOND) as an alternative to dark matter?

  1. Jayant Narlikar

  2. Subrahmanyan Chandrasekhar

  3. Harish-Chandra

  4. Vikram Sarabhai


Correct Option: A
Explanation:

Jayant Narlikar, along with Mordehai Milgrom, proposed MOND as a possible explanation for the observed discrepancies in galactic dynamics without invoking dark matter.

What is the primary method used by Indian astronomers to detect dark matter in galaxies?

  1. Gravitational Lensing

  2. X-ray Observations

  3. Radio Interferometry

  4. Neutrino Detection


Correct Option: A
Explanation:

Gravitational lensing, which involves the bending of light around massive objects, is a key technique employed by Indian astronomers to study the distribution and effects of dark matter in galaxies.

Which Indian astronomical facility is known for its contributions to the study of dark matter halos around galaxies?

  1. Devasthal Optical Telescope (DOT)

  2. Himalayan Chandra Telescope (HCT)

  3. Mt. Abu Infrared Observatory (MIRO)

  4. Vainu Bappu Observatory (VBO)


Correct Option: A
Explanation:

The Devasthal Optical Telescope, located in Uttarakhand, has been used to observe and analyze the properties of dark matter halos surrounding galaxies.

What is the name of the Indian astronomical collaboration focused on the study of dark matter and cosmology?

  1. Indian Centre for Space Physics (ICSP)

  2. Indian Institute of Astrophysics (IIA)

  3. Inter-University Centre for Astronomy and Astrophysics (IUCAA)

  4. National Centre for Radio Astrophysics (NCRA)


Correct Option: C
Explanation:

IUCAA, located in Pune, Maharashtra, is a renowned center for astronomical research, including studies related to dark matter and cosmology.

Which Indian astronomer is known for his work on the dynamics of dark matter halos and the formation of galaxies?

  1. T. Padmanabhan

  2. Biman B. Nath

  3. Shiv S. Kumar

  4. Ram Gopal Vishwakarma


Correct Option: A
Explanation:

T. Padmanabhan, a renowned Indian physicist and cosmologist, has made significant contributions to the understanding of dark matter halos and galaxy formation.

What is the name of the Indian astronomical instrument designed to study the cosmic microwave background (CMB) and search for dark matter signatures?

  1. Cosmic Microwave Background Anisotropy Probe (COMAP)

  2. Dark Matter Particle Explorer (DAMPE)

  3. Himalayan Gamma Ray Observatory (HGRO)

  4. Large Area Telescope (LAT)


Correct Option: A
Explanation:

COMAP is an Indian instrument designed to measure the CMB and investigate its polarization patterns, which can provide insights into the properties of dark matter.

Which Indian astronomical facility is involved in the study of dark matter through observations of galaxy clusters?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Mt. Abu Infrared Observatory (MIRO)

  3. Vainu Bappu Observatory (VBO)

  4. X-ray Astronomy Facility (XAF)


Correct Option: A
Explanation:

The GMRT, located near Pune, Maharashtra, has been used to study the properties of galaxy clusters and search for evidence of dark matter through radio observations.

What is the name of the Indian astronomical collaboration focused on the study of dark matter and gravitational waves?

  1. Centre for High Energy Physics (CHEP)

  2. Indian Initiative in Gravitational-Wave Observations (IndIGO)

  3. Laser Interferometer Gravitational-Wave Observatory (LIGO)

  4. Virgo Collaboration


Correct Option: B
Explanation:

IndIGO is an Indian collaboration aimed at detecting and studying gravitational waves, which can provide insights into the nature of dark matter and the early universe.

Which Indian astronomer is known for his work on the dark matter content of dwarf galaxies and the formation of the Milky Way?

  1. Annapurni Subramaniam

  2. Jayaram N. Chengalur

  3. Nitya Kallivayalil

  4. Smita Mathur


Correct Option: A
Explanation:

Annapurni Subramaniam, an Indian astronomer, has conducted extensive research on the dark matter content of dwarf galaxies and the formation and evolution of the Milky Way.

What is the name of the Indian astronomical facility involved in the study of dark matter through observations of gravitational lensing?

  1. Himalayan Chandra Telescope (HCT)

  2. Mt. Abu Infrared Observatory (MIRO)

  3. Vainu Bappu Observatory (VBO)

  4. X-ray Astronomy Facility (XAF)


Correct Option: A
Explanation:

The HCT, located in Uttarakhand, has been used to observe gravitational lensing effects and study the distribution of dark matter in galaxies.

Which Indian astronomical collaboration is involved in the study of dark matter through observations of gamma rays?

  1. Centre for High Energy Physics (CHEP)

  2. Indian Initiative in Gravitational-Wave Observations (IndIGO)

  3. Major Atmospheric Gamma Imaging Cherenkov Telescope (MAGIC)

  4. VERITAS Collaboration


Correct Option: C
Explanation:

MAGIC is an international collaboration involving Indian astronomers, and it uses gamma-ray observations to search for evidence of dark matter annihilation or decay.

What is the name of the Indian astronomical facility involved in the study of dark matter through observations of X-rays?

  1. AstroSat

  2. Himalayan Chandra Telescope (HCT)

  3. Mt. Abu Infrared Observatory (MIRO)

  4. X-ray Astronomy Facility (XAF)


Correct Option: D
Explanation:

The XAF, located in Bengaluru, Karnataka, is equipped with X-ray telescopes and spectrometers to study the properties of dark matter through observations of X-ray emissions from galaxies and clusters.

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