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Thu 23rd of November 2017

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IAS EXPRESS - Free Download

NASA's SPB lunched successfully
  • Nasa successfully launched its football-stadium-sized, super pressure balloon from New Zealand, that will help detect cosmic rays from beyond our galaxy as they penetrate the Earth's atmosphere.

  • The mission will run for 100 or more days floating at 33.5 km in the southern hemisphere's mid-latitude band. Following our 2015 and 2016 New Zealand missions, we've learned key lessons on the balloon design that have gone into perfecting the technology for this year's flight, said Debbie Fairbrother, Nasa's Balloon Programme Office chief. 

  • The super pressure balloon technology is the main flight objective, the International Extreme Universe Space Observatory on a Super Pressure Balloon (EUSO-SPB) payload is flying as a mission of opportunity.

  • EUSO-SPB's objective is to detect ultra-high energy cosmic rays from beyond our galaxy as they penetrate the Earth's atmosphere.

  • As these high-energy particles enter the atmosphere, they interact with nitrogen molecules in the air and create a UV fluorescence light.

  • EUSO-SPB will observe a broad swathe of the Earth's atmosphere to detect the UV fluorescence from these deep space cosmic rays coming in from above.

  • EUSO-SPB is now searching for the most energetic cosmic particles ever observed.

  • The 18.8-million-cubic-foot (532,000-cubic-meter) Super Pressure Balloon lifted off from Nasa's new launch pad adjacent to Wanaka Airport carrying a suspended payload of 2,495 kilogrammes.

  • As the balloon travels around the Earth, it may be visible from the ground, particularly at sunrise and sunset, to those who live in the southern hemisphere's mid-latitudes, such as Argentina and South Africa.

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Prelims Question of the Day

With reference to 'Natural Rate of Unemployment', consider the following statements.

1. It is the level of unemployment in an economy that is just consistent with a stable rate of Inflation.

2. It is the unemployment that prevails when all markets in the economy are in equilibrium.

 

(a)1 and 2

(b)2 only

(c)1 only

(d)None of the above

Mains Question of the Day

1.GS-No party in power can afford to ignore Directive Principles of State Policy. Comment.(200 Words)

2.Political Science - Explain the role of non state actors, like IMF, World Bank, European Union and MNCs, in modulating and transforming the broad dynamics of international relations. (250 Words).

3.SOCIOLOGY - What is the impact of Globalization on the structure and mobilization of the working class in India? (250 Words).

Sociology - Thinkers