360° UPSC Mains Analysis

What makes Skyroot’s Vikram-1 launch unique? | Explained

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Flora & Fauna

Greater Flamingo (Phoenicopterus roseus)
Status: Least Concern
Threat: Highly sensitive to acoustic disturbances and noise pollution from rocket launches, which can disrupt their feeding and nesting behaviors in the adjacent Pulicat Lake.
Spot-billed Pelican (Pelecanus philippensis)
Status: Near Threatened
Threat: Vulnerable to habitat degradation and acoustic shock within the Pulicat Lake Bird Sanctuary, which was notified under Section 18 of the Wild Life (Protection) Act, 1972.

Ecology Impact

The launch of Vikram-1 from the Satish Dhawan Space Centre (SDSC) in Sriharikota, a barrier island, directly borders the Pulicat Lake Bird Sanctuary, India's second-largest brackish water lagoon. High-decibel acoustic shockwaves and localized thermal emissions from rocket liftoffs can temporarily disrupt sensitive avian habitats and coastal wetland ecosystems. Additionally, the deposition of combustion byproducts poses potential risks to the surrounding fragile aquatic environment.

Science & Tech Angle

The Vikram-1 is a four-stage small-lift launch vehicle utilizing solid-propellant Kalam boosters for its first three stages and a liquid-propellant fourth stage powered by 3D-printed Raman-1 engines. The Raman-1 engine uses hypergolic propellants (nitrogen tetroxide and monomethylhydrazine) and features a fully 3D-printed injector fabricated via additive manufacturing, which reduces engine mass and components by 80%. This allows for multiple restarts in a vacuum, enabling precise multi-orbit satellite deployment.

Climate Change Link

Rocket launches release greenhouse gases like carbon dioxide and water vapor, along with black carbon (soot), directly into the stratosphere, contributing to radiative forcing and ozone depletion. However, Skyroot's use of additive manufacturing (3D printing) for the Raman-1 engine reduces material waste and energy consumption during production. This aligns with sustainable manufacturing practices that support India's Nationally Determined Contributions (NDCs) under the Paris Agreement to reduce emissions intensity.

Sustainable Development

The mission advances SDG 9 (Industry, Innovation, and Infrastructure) by fostering private-sector space technology and domestic aerospace manufacturing in India. It also supports SDG 12 (Responsible Consumption and Production) through the adoption of additive manufacturing, which minimizes raw material waste and optimizes resource efficiency compared to traditional subtractive manufacturing.

International Frameworks

Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies (Outer Space Treaty, 1967)
Article IX of the treaty mandates that states must conduct space exploration to avoid harmful contamination of Earth and adverse changes in the environment.
Montreal Protocol on Substances that Deplete the Ozone Layer (1987)
Relevant due to growing international concern over stratospheric emissions (such as black carbon and nitrogen oxides) from commercial rocket launches, which can deplete the ozone layer protected under this protocol and the Vienna Convention (1985).

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