Cosmic Dawn | Current Affairs | Vision IAS
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Posted 13 Jun 2025

8 min read

Cosmic Dawn

With the help of Cosmology Large Angular Scale Surveyor (CLASS) telescope, located high in the Atacama Desert of Chile, scientists have captured a faint 13-billion-year-old microwave signal from the Cosmic Dawn.

  • This research provides new insights into how the first stars influenced the early universe.

About Cosmic Dawn

  • Cosmic Dawn refers to the period roughly between 50 million and one billion years after the Big Bang. 
  • This is the time when the first stars, black holes, and galaxies are believed to have formed.
  • Tags :
  • Cosmic Dawn
  • Big Bang
  • CLASS Telescope

Zero-Coupon Bond

Power Finance Corporation (PFC) has withdrawn its zero-coupon bond issuance.

About Zero-Coupon Bond 

  • Also known as discount bonds.
  • They do not pay interest to the holder.
  • They are purchased at a deep discount to face value, but they're repaid at full face value or par at maturity.
  • They are more sensitive to interest rate changes than bonds that pay interest on a periodic basis.
  • Tags :
  • Zero Coupon Bonds

Price Support Scheme (PSS)

Government approves procurement of summer Moong under PSS for summer crop season.

  • Government is implementing integrated scheme Pradhan Mantri Annadata Aay Sanrakshan Abhiyan (PM-AASHA), which encompasses PSS, Price Deficiency Payment Scheme (PDPS), Market Intervention Scheme (MIS), andPrice Stabilisation Fund (PSF).
  • The Department of Agriculture & Farmers’ Welfare (DA&FW) implements PSS, PDPS and MIS whereas the Department of Consumer Affairs implements PSF.

About PSS:

  • Notified Pulses, Oilseeds and Copra are procured at the Minimum Support Price (MSP) directly from the pre-registered farmers by the Central Nodal Agencies (CNAs) (through the State level agencies) given they conform to the prescribed Fair Average Quality (FAQ).
  • Aim: To provide the remunerative price to the farmers.
  • Tags :
  • PSS
  • Price Support Scheme

RBI Bond buyback

RBI bond buyback has seen strong demand recently.

What is RBI Bond Buyback?

  • A bond buyback is when the RBI purchases government securities (G-Secs) from banks before maturity.

Objectives:

  • Infuses liquidity into the banking system:  Especially when credit growth needs a push.
  • Reduce Gross Borrowing: By retiring high-cost or short-term bonds early.
  • Tags :
  • Buyback
  • G-Securities
  • Government Bond

Agentic AI

India's first agentic AI, Kruti, launched by Krutrim, can book cabs, pay bills, and perform other tasks. 

About Agentic AI

  • It refers to AI systems that can autonomously make decisions, take actions and adapt to changing environments.
  • It ingests vast amounts of data from multiple data sources and third-party applications to analyse challenges, develop strategies, and execute tasks independently.
  • It can enable companies to deliver higher value through a 'service-as-a-software' shift from 'software-as-a-service'.
  • Tags :
  • Agentic AI
  • Kruti
  • Krutrim

Servants of India Society (SIS)

June 12 marked the 120th anniversary of the establishment of the Servants of India Society (SIS).

About Servants of India Society

  • Genesis: Founded in 1905 in Pune (Maharashtra) 
  • Founders: Gopal Krishna Gokhale with G.K. Devadhar, A.V. Patwardhan, and N.A. Dravid.
    • Mahatma Gandhi regarded Gokhale as his mentor and was a member of SIS.
  • Mission: To train young Indias to serve the nation by becoming selfless and dedicated servants of the people.
  • Objectives: Promote Education, encourage social service, foster civic engagement.
  • Nature: The organisation was non-political and non-sectarian.
  • Tags :
  • Servants of India Society
  • Gopal Krishna Gokhale
  • Mahatma Gandhi

PASSEX

PASSEX, a joint naval exercise between the Navies of India and theUK, is being held in the northern Arabian Sea.

  • Tags :
  • Military Exercise
  • PASSEX 2025

Mayday Call

During Ahmadabad-London Air India Airplane crash, the Air Traffic Control (ATC) received a Mayday call from pilots minutes after takeoff.

About Mayday Call:

  • The word 'Mayday' was coined in the early 1920s by Frederick Stanley Mockford, a radio officer in London.
  • It is the phonetic equivalent of the French phrase m’aider (“help me”). 
  • It became part of international radio communication for pilots and mariners by 1923, and was formally adopted in 1927 alongside the Morse “SOS”.
  • First flight use (1923): Croydon-Le Bourget flights began using “Mayday.”
  • Aviation standard (1927): The International Radiotelegraph Convention formalised it.
  • Meaning: When a pilot says “Mayday, Mayday, Mayday”, they’re declaring a life-threatening emergency requiring immediate help
  • Tags :
  • Mayday Call
  • Aviation Safety
  • Aviation Infrastructure
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