Understanding the Square Kilometer Array (SKA)

The question asks to identify the correct statement about the Square Kilometer Array (SKA). The SKA is a groundbreaking, international radio telescope project designed to observe the universe at unprecedented scales.

SKA Statement Analysis

Let's analyze each statement to determine its accuracy:

• Statement 1: "It is managed entirely by the European Space Agency."

  This statement is incorrect. The SKA is a global collaboration involving multiple countries and organizations, not solely managed by the European Space Agency (ESA). Major partners include countries in Europe, Africa, Asia, and Australia.

• Statement 2: "It aims to explore cosmic magnetism and dark matter."

  This statement is correct. A primary scientific goal of the SKA is to investigate fundamental questions in astrophysics and cosmology. This includes understanding the evolution of cosmic magnetism over billions of years and probing the nature of mysterious components of the universe like dark matter and dark energy.

• Statement 3: "It focuses solely on detecting visible light."

  This statement is incorrect. The SKA is specifically designed as a radio telescope array. It observes the universe by detecting radio waves, which allow astronomers to peer through dust and gas clouds and study phenomena invisible in visible light.

• Statement 4: "It will consist of a single telescope in India."

  This statement is incorrect. The SKA is a distributed array, meaning it comprises thousands of individual antennas spread across vast geographical areas. The core telescope sites are located in South Africa and Western Australia, not India.

Conclusion on SKA Goals

Based on the analysis, the most accurate statement describing the mission of the Square Kilometer Array (SKA) is its aim to explore fundamental aspects of the universe, including cosmic magnetism and the nature of dark matter.