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 ancient Indian observatory located in Kanchipuram?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Nalanda Observatory

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

The Kanchi Observatory is an ancient Indian observatory located in Kanchipuram, Tamil Nadu. It was constructed in the 12th century and was used for astronomical observations and the development of calendars.

Multiple choice

Which of the following is the oldest known astronomical observatory in India?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Nalanda Observatory

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

The Ujjain Observatory, also known as the Vedhshala, is believed to be the oldest astronomical observatory in India, dating back to the 5th century BCE.

Multiple choice

What is the significance of the Jantar Mantar in Jaipur, India?

  1. It is the largest stone observatory in the world.

  2. It was built by Maharaja Jai Singh II in the 18th century.

  3. It consists of 19 architectural astronomical instruments.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Jantar Mantar in Jaipur is renowned for being the largest stone observatory in the world, built by Maharaja Jai Singh II in the 18th century. It comprises 19 architectural astronomical instruments for various observations.

Multiple choice

Which ancient Indian observatory was known for its accurate predictions of eclipses?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Nalanda Observatory

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

The Ujjain Observatory gained fame for its precise predictions of eclipses, which were crucial for religious and astrological purposes.

Multiple choice

What is the significance of the Nalanda Observatory in ancient Indian astronomy?

  1. It was a major center of astronomical studies.

  2. It housed a large library of astronomical texts.

  3. It was the birthplace of many renowned astronomers.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Nalanda Observatory was a prominent center of astronomical studies in ancient India, housing a vast library of astronomical texts and nurturing renowned astronomers.

Multiple choice

Which ancient Indian observatory was associated with the Takshashila University?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Nalanda Observatory

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

The Takshashila Observatory was closely linked to the renowned Takshashila University, a center of higher learning in ancient India.

Multiple choice

Which ancient Indian observatory was known for its studies of planetary motion?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Nalanda Observatory

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

The Ujjain Observatory was renowned for its detailed observations and studies of planetary motion, contributing to the understanding of planetary orbits and positions.

Multiple choice

Which observatory is known for its discovery of the first black hole candidate, Cygnus X-1?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. Very Large Telescope

  4. Rossi X-ray Timing Explorer (RXTE)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RXTE is an X-ray observatory that was launched in 1995 and has made significant contributions to the study of black holes and neutron stars.

Multiple choice

Which observatory is known for its detection of the first gravitational waves from a binary neutron star merger?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. Laser Interferometer Gravitational-Wave Observatory (LIGO)

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

LIGO made the first direct detection of gravitational waves in 2015, which was produced by the merger of two neutron stars.

Multiple choice

Which observatory is known for its discovery of the first double neutron star system, PSR B1913+16?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. Very Large Telescope

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

Arecibo Observatory discovered the first double neutron star system, PSR B1913+16, in 1974.

Multiple choice

Which observatory is known for its discovery of the first millisecond pulsar, PSR B1937+21?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. Very Large Telescope

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

Arecibo Observatory discovered the first millisecond pulsar, PSR B1937+21, in 1982.

Multiple choice

Which observatory is known for its discovery of the first X-ray pulsar, Cen X-3?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. Very Large Telescope

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

The Uhuru satellite discovered the first X-ray pulsar, Cen X-3, in 1971.

Multiple choice

Which observatory is known for its discovery of the first black hole candidate, Cygnus X-1?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. Very Large Telescope

  4. Rossi X-ray Timing Explorer (RXTE)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RXTE is an X-ray observatory that was launched in 1995 and has made significant contributions to the study of black holes and neutron stars.

Multiple choice

What is the name of the largest radio telescope in India?

  1. Giant Metrewave Radio Telescope

  2. Atacama Large Millimeter Array

  3. Very Large Telescope

  4. Keck Telescopes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is the largest radio telescope in India and one of the largest in the world. It is located near Pune, Maharashtra, and consists of 30 fully steerable parabolic radio telescopes.

Multiple choice

What is the name of the Indian astronomical observatory located in the Himalayas?

  1. Aryabhata Research Institute of Observational Sciences

  2. Indian Institute of Astrophysics

  3. Vainu Bappu Observatory

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

The Aryabhata Research Institute of Observational Sciences (ARIES) is an Indian astronomical observatory located in the Himalayas. It is situated at an altitude of 4,500 meters above sea level and is known for its excellent observing conditions.