Current Affairs 2017 - June

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Mizoram: 31st Anniversary of Mizo Peace Accord Celebrated

The 31st anniversary of the signing of the historic Mizo peace accord on June 30, 1986, was celebrated in Mizoram. The Mizo Accord was signed by the Mizo National Front (MNF) leader Laldenga, Mizoram Chief Secretary Lalkhama, and Union Home Secretary R D Pradhan. The accord ushered in an era of peace after 20 years of violence and disturbance that hampered Mizoram.

Mizo Peace Accord-Significance

On pre-condition of statehood to Mizoram, the Mizo Accord was signed. The MNF fighters surrendered en masse and government fulfilled its promise by giving full-fledged state status to Mizoram, along with its own High Court. Mizo was notified as an official Indian language. A university was proposed. Mizo religious and social customs were promised Constitutional protection. As per the accord, the MNF agreed to forgo all contacts with other insurgent groups in the Northeast.

Mizo Accord is considered to be the most successful agreement with insurgents. The peace established under the accord has been sustained in Mizoram for over 30 years. This is an achievement when the situation in parts of Manipur, Nagaland and Assam still remains turbulent and unsettled.

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NASA launches Rocket to produce Colourful Artificial Clouds

The NASA has successfully launched Terrier-Improved Malemute sounding rocket that created colourful artificial clouds visible in the skies of the US. The rocket was launched from its Wallops Flight Facility in Virginia.

Salient Facts

The rocket during the 8-minute flight had released 10 canisters about the size of a soft drink into space. It was ejected about 9 to 19 kilometres away from the 300-kg main payload.

The canisters deployed blue-green and red vapour that formed artificial clouds visible in the skies of the United States from New York to North Carolina. The artificial clouds are formed through the interaction of barium, strontium and cupric-oxide. The vapour tracers will help in understanding the movement of the particles in the ionosphere. It will help to learn more about the movement of the air currents at that altitude.

The artificial clouds or vapour tracers will help in understanding the movement of the particles in the ionosphere. It will help to learn more about the movement of the air currents at that altitude. They will permit scientists on the ground to visually track particle motions in space. The multi-canister ejection system will also help scientists to gather information over a much larger area than previously possible.  Sounding rockets have been in use for more than 40 years to carry science payloads on scientific missions that usually last five to 20 minutes.

Sounding rockets have been in use for more than 40 years to carry science payloads on scientific missions that usually last five to 20 minutes.

Ionosphere

The ionosphere is called so because it is ionised by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere. Ionosphere stretches from 50 to 1,000 km and typically overlaps both the exosphere and the thermosphere. It has practical importance because it influences, for example, radio propagation on the Earth. It is also responsible for auroras.

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