August 21, 2019
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    Kane Williamson and Akila Dananjaya have been reported with suspect bowling actions post the first Test between Sri Lanka and New Zealand in Galle. Spin bowler Dananjaya, who was cleared to resume bowling in February, sent down 62 overs his team’s six-wicket win over New Zealand in the Galle Test, and took five wickets in the touring team’s first innings. Williamson, a part-time offspinner, bowled three overs on the final day.

     

    Sri Lanka captain Dimuth Karunaratne’s player of the match effort of 39 and 122 at Galle has not only helped his team take a 1-0 lead in the two-Test series with a six-wicket win but has also helped the opener move up four places to 8th position in the MRF ICC Test player rankings.

    The outgoing Commander of the Army Lieutenant General Mahesh Senanayake has been promoted to the rank of General by HE the President Maithripala Sirisena, Commander-in-Chief of the Armed Forces, effective from 17 August 2019. He was the 22nd Commander of the Army.

    India's second lunar module has begun orbiting the Moon, nearly a month after blasting off, officials have confirmed. The manoeuvre to put the module into the lunar orbit was completed at 09:02 local time (04:32 GMT) on Tuesday.Chandrayaan-2 was launched from the Sriharikota space station on 22 July, a week after the scheduled blast-off was halted due to a technical snag.India hopes the $145m (£116m) mission will be the first to land on the Moon's south pole.
    Last month's launch was the beginning of a 384,000km (239,000-mile) journey. Scientists hope the lander will touch down on the Moon on 6 or 7 September as planned.
    India's first lunar mission, Chandrayaan-1, was launched in 2008 but it did not land on the lunar surface. However it carried out the first and most detailed search for water on the Moon using radars.
    Chandrayaan-2 (Moon vehicle 2) will try to land near the little-explored south pole of the Moon.The mission will focus on the lunar surface, searching for water and minerals and measuring moonquakes, among other things.

    India used its most powerful rocket, the Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk-III), in this mission. It weighed 640 tonnes (almost 1.5 times the weight of a fully-loaded 747 jumbo jet) and, at 44 metres (144ft), was as high as a 14-storey building.

    The spacecraft used in the mission has three distinct parts: an orbiter, a lander and a rover.

    The orbiter, which weighs 2,379kg (5,244lb) and has a mission life of a year, will take images of the lunar surface.

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    The lander (named Vikram, after the founder of Isro) weighs about half as much, and carries within its belly a 27kg Moon rover with instruments to analyse the lunar soil. In its 14-day life, the rover (called Pragyan - wisdom in Sanskrit) can travel up to a half a kilometre from the lander and will send data and images back to Earth for analysis.

    How long is the journey to the Moon?
    The journey of more than six weeks is a lot longer than the four days the Apollo 11 mission 50 years ago took to land humans on the lunar surface for the first time.

    In order to save fuel, India's space agency has chose a circuitous route to take advantage of the Earth's gravity, which will help slingshot the satellite towards the Moon. India does not have a rocket powerful enough to hurl Chandrayaan-2 on a direct path. In comparison, the Saturn V rocket used by the Apollo programme remains the largest and most powerful rocket ever built.

    "There will be 15 terrifying minutes for scientists once the lander is released and is hurled towards the south pole of the Moon," Isro chief K Sivan said prior to the first launch attempt.

    He explained that those who had been controlling the spacecraft until then would have no role to play in those crucial moments. So, the actual landing would happen only if all the systems performed as they should. Otherwise, the lander could crash into the lunar surface.

     

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