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General Studies 3 >> Science & Technology

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DARK RESERVE

DARK RESERVE

 
 
 
1. Context
 
In October 2022, 24 ambassadors from Hanle, including 18 women, were handpicked as astronomy ambassadors and trained in basic astronomy to boost India’s first-ever astronomy tourism promotion in Ladakh. Each of the ambassadors has been equipped with an 8-inch telescope. Astronomy tourism is a joint initiative by the Ladakh union territory administration and Bengaluru-based Indian Institute of Astrophysics (IIA). 
 

2. What is dark reserve?

  • It is public or private land with a distinguished nocturnal environment and starry nights that have been developed responsibly to prevent light pollution.
  • These reserves consist of a core area meeting minimum criteria for sky quality and natural darkness and a peripheral area that supports dark sky preservation in the core.
  • These reserves are formed through a" partnership of multiple land managers who have recognized the value of the natural nighttime environment through regulations and long-term planning.

 

3. Criteria to a become a ‘Dark Sky Reserve’

A "Dark Sky Reserve" is an area designated to have exceptionally low levels of light pollution, making it an ideal location for stargazing and astronomical observation. 

  • Criteria Assessment: The first step is to assess the area based on specific criteria set by organizations such as the International Dark-Sky Association (IDA). These criteria typically include factors like sky brightness, natural darkness conditions, visibility of celestial objects, and the presence of artificial light sources.
  • Light Pollution Measurement: Experts use specialized equipment to measure the levels of light pollution in the area. This involves quantifying skyglow (brightening of the night sky due to artificial light), glare (excessive brightness that impairs vision), and light trespass (light spilling into areas where it is not intended or needed).
  • Community Engagement: Local communities, government bodies, conservation groups, and stakeholders are engaged in the process. This includes raising awareness about the importance of preserving natural darkness, promoting responsible lighting practices, and garnering support for the Dark Sky Reserve designation.
  • Lighting Guidelines: Implementing lighting guidelines and regulations is crucial to reducing light pollution. This may involve adopting lighting ordinances, encouraging use of shielded and energy-efficient lighting fixtures, and minimizing unnecessary outdoor lighting during nighttime hours.
  • Public Outreach and Education: Educational programs, public events, and outreach activities are conducted to educate residents, businesses, and visitors about the value of dark skies, astronomy, nocturnal wildlife, and the environmental benefits of reducing light pollution.
  • Application and Evaluation: Once the area meets the criteria and fulfills the necessary requirements, an official application is submitted to the relevant authority or organization, such as the IDA. The application undergoes rigorous evaluation and review by experts in the field of astronomy, environmental conservation, and lighting design.
  • Designation and Management: If the application is successful, the area is officially designated as a Dark Sky Reserve. Management plans are then implemented to ensure ongoing protection of the night sky, monitoring of light pollution levels, periodic reviews, and collaborative efforts to maintain the reserve's dark sky status.

 

4. India’s first Dark Sky Reserve

  • The Ladakh Union Territory administration is leading the efforts in establishing the country's first Dark Sky Reserve
  • The formal decision to set up this reserve was made through an MOU signed between officials from the IIA, the Ladakh UT, and the Ladakh Autonomous Hill Development Council
  • It is situated at a height of 4500 meters above sea level; the Hanle Dark Sky Reserve will come up within the Changthang wildlife sanctuary.
  • The Department of Science and Technology and experts from the India Institute of Astrophysics (IIA) Bengaluru are providing scientific and technological support in developing this first-of-its-kind facility. The IIA already manages the Indian Astronomical Observatory ((IAO) complex at Hanle.
 

5. Reasons for Selecting Ladakh for the project

Ladakh was chosen for the project to develop India's first Dark Sky Reserve due to several key factors that make it an ideal location for preserving natural darkness and promoting astronomical observation. 

  • Low Light Pollution: Ladakh is known for its minimal light pollution compared to urban areas. The region has fewer artificial light sources, leading to darker skies and better visibility of celestial objects such as stars, planets, and galaxies.
  • High Altitude and Clear Skies: The high-altitude terrain of Ladakh, with its clear skies and dry climate, provides excellent atmospheric conditions for stargazing and astronomical observations. The absence of significant light pollution enhances the visibility of faint celestial phenomena.
  • Remote Location: Ladakh's remote location away from major cities and industrial zones contributes to its natural darkness. The lack of large-scale human activity and infrastructure helps maintain the darkness of the night sky.
  • Astronomical Interest: Ladakh has gained recognition among astronomers, astrophotographers, and sky enthusiasts due to its favorable astronomical conditions. The region's appeal for astronomical research and tourism has led to initiatives to preserve its dark skies and promote astrotourism.
  • Environmental Conservation: Developing a Dark Sky Reserve in Ladakh aligns with efforts to conserve natural ecosystems and protect nocturnal wildlife. By reducing light pollution, the project contributes to maintaining the ecological balance and biodiversity of the region.
  • Tourism and Education: Establishing a Dark Sky Reserve in Ladakh can attract tourists interested in astronomy and provide educational opportunities for schools, colleges, and research institutions. It promotes scientific awareness, environmental stewardship, and sustainable tourism practices.

 

6. Will this help boost tourism in Ladakh?

 Establishing a Dark Sky Reserve in Ladakh has strong potential to boost tourism in the region, here's why:
  • Appeal to Niche Market: The reserve caters to a specific audience - astronomy enthusiasts and stargazers seeking a unique experience under exceptionally dark skies. This attracts a new segment of tourists to Ladakh, potentially extending the tourist season and offering an alternative to traditional sightseeing options.
  • Enhanced Reputation: The "Dark Sky Reserve" designation positions Ladakh as a premier destination for astronomical observations. This recognition can attract astro-tourism companies and researchers, further boosting its reputation as a hub for stargazing.
  • Unique Activities and Experiences: The reserve can offer unique tourist experiences like stargazing tours with telescopes led by trained guides, astrophotography workshops, and educational programs about astronomy. These activities can diversify the tourism offerings in Ladakh.
  • Economic Benefits: Increased tourist arrivals lead to economic benefits for the region. This can include increased revenue for hotels, homestays, restaurants, and local guides specializing in astronomy tours.
  • Infrastructure Development: The growth of astro-tourism might encourage investments in infrastructure related to tourism, such as specialized accommodation, transportation options for night travel, and astronomy-related visitor centers.
Challenges and Considerations
  • Balancing Development with Darkness: Responsible management is crucial to ensure development for tourism doesn't lead to increased light pollution that could compromise the darkness of the reserve.
  • Accessibility and Seasonality: Ladakh's high altitude and harsh climate might limit accessibility for some tourists, especially during the colder months.
  • Infrastructure Readiness: Ensuring adequate infrastructure and facilities to cater to astro-tourism needs is important.
 
7. The Way Forward
 
By implementing the strategies, stakeholders can ensure the Hanle Dark Sky Reserve thrives as a center for astronomical research, education, and responsible astro-tourism. This will not only contribute to scientific advancement and environmental conservation but also create a unique tourism destination that attracts visitors seeking a connection with the wonders of the night sky.
 
 
For Prelims: Dark Sky Reserve, Indian Institute of Astrophysics, Indian Astronomical Observatory
For Mains: 
1. Evaluate the socio-economic impact of astro-tourism on the Changthang region of Ladakh. How can a balance be achieved between promoting tourism and protecting the ecological and cultural heritage of the region? (250 words)
 
Previous Year Questions

1. Consider the following phenomena: (UPSC CSE 2018)

  1. Light is affected by gravity.
  2. The Universe is constantly expanding.
  3. Matter warps its surrounding space-time.

Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in media?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

Answer: (d)

Source: The Hindu

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