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Galaxy Surveys and Indian Astronomers: A Test of Astronomy Expertise

Description: This quiz tests your knowledge of galaxy surveys and the contributions of Indian astronomers to the field.
Number of Questions: 15
Created by:
Tags: galaxy surveys indian astronomy astronomy
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Which of the following is a major galaxy survey conducted by Indian astronomers?

  1. The Sloan Digital Sky Survey

  2. The Two-Degree Field Galaxy Redshift Survey

  3. The Baryon Oscillation Spectroscopic Survey

  4. The Dark Energy Survey


Correct Option: B
Explanation:

The Two-Degree Field Galaxy Redshift Survey (2dFGRS) was a major galaxy survey conducted by a team of Indian astronomers led by Ravi Sheth. The survey mapped the distribution of galaxies in a large region of the sky and provided valuable insights into the structure and evolution of the universe.

Which Indian astronomer played a key role in the development of the SDSS?

  1. Ravi Sheth

  2. Subrahmanyan Chandrasekhar

  3. Harinder Singh Virdee

  4. Jayant Narlikar


Correct Option: A
Explanation:

Ravi Sheth, an Indian astronomer, played a key role in the development of the Sloan Digital Sky Survey (SDSS). He was involved in the design and implementation of the survey and made significant contributions to the analysis of the data.

What is the primary goal of the DESI survey?

  1. To study the evolution of galaxies

  2. To measure the expansion rate of the universe

  3. To search for dark matter

  4. To detect gravitational waves


Correct Option: B
Explanation:

The primary goal of the DESI survey is to measure the expansion rate of the universe. The survey will measure the redshifts of millions of galaxies and use this data to determine how the expansion rate has changed over time.

Which Indian astronomer is the principal investigator of the DESI survey?

  1. Ravi Sheth

  2. Subrahmanyan Chandrasekhar

  3. Harinder Singh Virdee

  4. Jayant Narlikar


Correct Option: A
Explanation:

Ravi Sheth, an Indian astronomer, is the principal investigator of the DESI survey. He is leading a team of scientists from around the world in this ambitious project.

What is the expected completion date of the DESI survey?

  1. 2023

  2. 2025

  3. 2027

  4. 2029


Correct Option: D
Explanation:

The DESI survey is expected to be completed in 2029. The survey will collect data for five years, and the analysis of the data will take several more years.

Which of the following is a major galaxy survey conducted by Indian astronomers?

  1. The Sloan Digital Sky Survey

  2. The Two-Degree Field Galaxy Redshift Survey

  3. The Baryon Oscillation Spectroscopic Survey

  4. The Dark Energy Survey


Correct Option: B
Explanation:

The Two-Degree Field Galaxy Redshift Survey (2dFGRS) was a major galaxy survey conducted by a team of Indian astronomers led by Ravi Sheth. The survey mapped the distribution of galaxies in a large region of the sky and provided valuable insights into the structure and evolution of the universe.

Which Indian astronomer played a key role in the development of the SDSS?

  1. Ravi Sheth

  2. Subrahmanyan Chandrasekhar

  3. Harinder Singh Virdee

  4. Jayant Narlikar


Correct Option: A
Explanation:

Ravi Sheth, an Indian astronomer, played a key role in the development of the Sloan Digital Sky Survey (SDSS). He was involved in the design and implementation of the survey and made significant contributions to the analysis of the data.

What is the primary goal of the DESI survey?

  1. To study the evolution of galaxies

  2. To measure the expansion rate of the universe

  3. To search for dark matter

  4. To detect gravitational waves


Correct Option: B
Explanation:

The primary goal of the DESI survey is to measure the expansion rate of the universe. The survey will measure the redshifts of millions of galaxies and use this data to determine how the expansion rate has changed over time.

Which Indian astronomer is the principal investigator of the DESI survey?

  1. Ravi Sheth

  2. Subrahmanyan Chandrasekhar

  3. Harinder Singh Virdee

  4. Jayant Narlikar


Correct Option: A
Explanation:

Ravi Sheth, an Indian astronomer, is the principal investigator of the DESI survey. He is leading a team of scientists from around the world in this ambitious project.

What is the expected completion date of the DESI survey?

  1. 2023

  2. 2025

  3. 2027

  4. 2029


Correct Option: D
Explanation:

The DESI survey is expected to be completed in 2029. The survey will collect data for five years, and the analysis of the data will take several more years.

Which of the following is a major galaxy survey conducted by Indian astronomers?

  1. The Sloan Digital Sky Survey

  2. The Two-Degree Field Galaxy Redshift Survey

  3. The Baryon Oscillation Spectroscopic Survey

  4. The Dark Energy Survey


Correct Option: B
Explanation:

The Two-Degree Field Galaxy Redshift Survey (2dFGRS) was a major galaxy survey conducted by a team of Indian astronomers led by Ravi Sheth. The survey mapped the distribution of galaxies in a large region of the sky and provided valuable insights into the structure and evolution of the universe.

Which Indian astronomer played a key role in the development of the SDSS?

  1. Ravi Sheth

  2. Subrahmanyan Chandrasekhar

  3. Harinder Singh Virdee

  4. Jayant Narlikar


Correct Option: A
Explanation:

Ravi Sheth, an Indian astronomer, played a key role in the development of the Sloan Digital Sky Survey (SDSS). He was involved in the design and implementation of the survey and made significant contributions to the analysis of the data.

What is the primary goal of the DESI survey?

  1. To study the evolution of galaxies

  2. To measure the expansion rate of the universe

  3. To search for dark matter

  4. To detect gravitational waves


Correct Option: B
Explanation:

The primary goal of the DESI survey is to measure the expansion rate of the universe. The survey will measure the redshifts of millions of galaxies and use this data to determine how the expansion rate has changed over time.

Which Indian astronomer is the principal investigator of the DESI survey?

  1. Ravi Sheth

  2. Subrahmanyan Chandrasekhar

  3. Harinder Singh Virdee

  4. Jayant Narlikar


Correct Option: A
Explanation:

Ravi Sheth, an Indian astronomer, is the principal investigator of the DESI survey. He is leading a team of scientists from around the world in this ambitious project.

What is the expected completion date of the DESI survey?

  1. 2023

  2. 2025

  3. 2027

  4. 2029


Correct Option: D
Explanation:

The DESI survey is expected to be completed in 2029. The survey will collect data for five years, and the analysis of the data will take several more years.

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