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Module 16 • Astrophysics & Space Law2026-10-0416 min read

Deep Space Astronomy, The Lunar Economy & Space Governance: JWST MoM-z14 Galaxy, Artemis Accords & Kessler Syndrome Mitigation

Target Exam: UPSC & State PSCs World Current Affairs•Official Sources: World International State Gazettes, Budget & Official ReleasesUnited Nations, IMF, World Bank, Global Treaties & International Official Records

1. Frontier Discoveries by the James Webb Space Telescope (JWST)

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Cosmic Dawn & Galaxy MoM-z14: In 2025–2026, JWST spectroscopic analysis confirmed MoM-z14, an intensely bright, massive early galaxy observed at a redshift of approximately z ~ 14. This places the galaxy at roughly 280 million years after the Big Bang, challenging standard cosmological cold dark matter models that predicted such large, mature stellar structures would take hundreds of millions of years longer to coalesce.
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The 'Black Hole Star' Hypothesis: Astronomers investigating mysterious ultra-compact 'little red dots' in the early universe discovered objects mimicking gigantic supermassive stars but generating energy signatures characteristic of direct-collapse black holes actively feeding at super-Eddington rates, proposing the emerging category of black hole stars.

2. Lunar Geopolitics: Artemis Accords vs. ILRS

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Strategic Lunar Resources: The Moon's South Pole has become the primary target of 21st-century exploration due to permanently shadowed craters (PSRs) harbouring water-ice deposits (essential for drinking water and rocket fuel - hydrogen and oxygen) and Helium-3 for potential fusion.
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Artemis Accords (US-Led): Bilateral non-binding principles grounded in the 1967 Outer Space Treaty. Key tenets: Interoperability, registration of space objects, release of scientific data, preservation of outer space heritage, and Safety Zones around lunar extraction activities. India signed the Artemis Accords in 2023.
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International Lunar Research Station (ILRS): Led jointly by China and Russia, proposing an integrated robotic and crewed base at the lunar south pole by the 2030s.

3. Space Law & Space Debris (Kessler Syndrome)

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The Outer Space Treaty (1967): The foundational 'Magna Carta' of international space law:
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Outer space is the province of all mankind; exploration shall be carried out for the benefit of all countries.
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Prohibits national appropriation by claim of sovereignty, occupation, or any other means (Article II).
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Prohibits placing nuclear weapons or weapons of mass destruction in Earth orbit, on celestial bodies, or in outer space (Article IV).
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The Moon Agreement (1979): Declares celestial bodies and their natural resources as the Common Heritage of Mankind; rejected by all major spacefaring nations (US, Russia, China).
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Kessler Syndrome: Proposed by NASA scientist Donald Kessler: A cascading chain reaction where orbital debris collisions create fragments that generate further collisions, potentially rendering low Earth orbit unusable for generations. Driven active debris removal (ADR) and mandatory 5-year post-mission de-orbit rules.
Key Examination Takeaways:
  • JWST confirmed galaxy MoM-z14 existed only ~280 million years after the Big Bang (redshift z~14).
  • The 'black hole star' hypothesis explains early universe luminous red dots powered by direct-collapse feeding.
  • Artemis Accords (including India) define interoperability and safety zones; ILRS is China-Russia's counter.
  • Outer Space Treaty 1967 bars national appropriation of celestial bodies and nuclear weapons in orbit.
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Q1

Which ultra-early galaxy discovered by the James Webb Space Telescope existed merely 280 million years after the Big Bang at redshift z ~ 14?

Q2

What emerging astrophysical term was proposed to describe mysterious early-universe luminous objects resembling supermassive stars but powered by direct-collapse black holes?

Q3

In which year was the foundational Outer Space Treaty (Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space) opened for signature?

Q4

What is the name of the hypothetical self-sustaining cascading collision scenario of space debris in low Earth orbit proposed by NASA scientist Donald Kessler?

Q5

In which year did India officially sign the US-led Artemis Accords for peaceful and sustainable space and lunar exploration?

Q6

What is the name of the rival international lunar exploration initiative jointly led by China and Russia to establish a permanent Moon base by the 2030s?

Q7

Which rare non-radioactive isotope embedded in the lunar regolith is widely sought as an ideal fuel for potential future aneutronic clean nuclear fusion reactors?

Q8

Which article of the 1967 Outer Space Treaty explicitly prohibits national appropriation of outer space, including the Moon and other celestial bodies, by claim of sovereignty?

Q9

What is the new post-mission orbital lifetime limit recommended by the Inter-Agency Space Debris Coordination Committee (IADC) for satellites in LEO to mitigate orbital debris?

Q10

With reference to the Outer Space Treaty of 1967, consider the following statements: 1. It prohibits the placement of nuclear weapons or other weapons of mass destruction in Earth orbit or on celestial bodies. 2. It prohibits sovereign military personnel from conducting scientific research in outer space under any circumstances. 3. It affirms that outer space is free for exploration and use by all states without discrimination. Which of the statements given above are correct?

Q11

Consider the following statements regarding the Artemis Accords: 1. They are non-binding bilateral political commitments grounded in the 1967 Outer Space Treaty. 2. They introduce the concept of 'Safety Zones' around lunar operational sites to prevent harmful interference. 3. The Artemis Accords establish a mandatory universal sovereign tax on all commercial lunar mining profits payable to the UN. Which of the statements given above are correct?

Q12

With reference to the 1979 Moon Agreement, consider the following statements: 1. It explicitly designates the Moon and its natural resources as the 'Common Heritage of Mankind'. 2. It requires the establishment of an international regime to govern the equitable sharing of benefits derived from lunar exploitation. 3. All major spacefaring nations, including the United States, Russia, and China, have fully ratified the Moon Agreement. Which of the statements given above are correct?

Q13

Consider the following statements regarding the phenomena of Redshift in astronomical spectroscopy: 1. Redshift occurs when light emitted from an astronomical object is shifted toward longer wavelengths due to the expansion of space. 2. A higher cosmological redshift (z) corresponds to an object observed further back in cosmic time closer to the Big Bang. 3. Redshift is solely observed when an astronomical body is directly travelling towards the observer at supersonic velocity. Which of the statements given above are correct?

Q14

With reference to Space Situational Awareness (SSA) and orbital debris removal technologies, consider the following statements: 1. SSA involves tracking, characterizing, and predicting the orbital trajectories of active satellites and derelict debris. 2. Active Debris Removal (ADR) concepts include magnetic docking, robotic harpoons, laser ablation, and de-orbit drag sails. 3. Space debris in low Earth orbit naturally vanishes within 24 hours due to zero gravitational interaction with Earth. Which of the statements given above are correct?

Q15

Consider the following statements regarding the 1972 Convention on International Liability for Damage Caused by Space Objects (Liability Convention): 1. A launching State is absolutely liable to pay compensation for damage caused by its space object on the surface of the Earth or to aircraft in flight. 2. In the event of damage caused elsewhere than on the surface of the Earth (such as in orbit), liability is fault-based. 3. The Liability Convention has been invoked only once in international history, regarding the crash of the Soviet satellite Cosmos 954 in Canada. Which of the statements given above are correct?