Current Affairs 2017 (August)

Astronomers found WASP-121b exoplanet with glowing water atmosphere

Astronomer’s using NASA’s Hubble Space Telescope have found that exoplanet WASP-121b which provides strongest evidence about existence of a stratosphere on it along with glowing water molecules.

The stratosphere is a layer of atmosphere in which temperature increases with higher altitudes.

Key Facts

Scientists had used spectroscopy in order to study the exoplanet’s stratosphere and to analyse how the planet’s brightness changed at different wavelengths of light. The discovery shows common trait of most of the atmospheres in our solar system, which is a warm stratosphere and can also be found in the atmospheres of exoplanets. This phenomenon can be compared with the same processes that happen under different sets of conditions in our own solar system.

About WASP-121b exoplanet

The WASP-121b exoplanet is gas giant commonly referred to as a ‘hot Jupiter’. It has 1.2 times greater mass and 1.9 times greater radius than Jupiter. It is located approximately 900 light years from Earth. It orbits around its host star every 1.3 days in very close proximity.

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7 August: National Handloom Day

The National Handloom Day is being observed every year on 7 August to honour the handloom weavers in the country and also carter an impetus to India’s handloom industry. This year it was third edition of the National Handloom Day after it was instituted in 2015.

The celebration of the day seeks to highlight the contribution of handloom to the socioeconomic development of the country and promote handlooms to increase income of weavers and also enhance their pride.

Background

The Union Government had declared 7 August as the National Handloom Day in July 2015 with the objective to generate awareness about importance of India’s handloom industry. The date August 7 was chosen to commemorate the Swadeshi Movement which was launched on this date in 1905 in the Calcutta Town hall to protest against partition of Bengal by the British Government. The movement had aimed at reviving domestic products and production processes. The first National Handloom Day was inaugurated on 7 August 2015 by Prime Minister Narendra Modi at Chennai, Tamil Nadu.

Comment

Handloom sector contributes to nearly 15% of the cloth production in the country and also contributes to the country’s export earnings. 95% of the world’s hand woven fabric comes from India.

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