ISRO begins flight integration activity for next lunar mission

Agencies
October 25, 2017

Hyderabad, Oct 25: The ISRO has started flight integration activity for its next lunar mission Chandrayaan-2 and scientists are currently carrying out tests for the lander and the rover that will explore the moon.

Officials said the spacecraft launch, on board GSLV-Mk II, is planned for March and many new technologies have been developed indigenously to achieve the mission requirements.

Chandrayaan-2, India's second mission to the Moon, is an advanced version of the previous Chandrayaan-1 mission nine years ago. This spacecraft is a composite model consisting of orbiter, lander and rover.

According to the Bengaluru-headquartered space agency, unlike Chandrayaan-1, wherein an impact probe crash-landed on the surface of the moon, Chandrayaan-2 will soft-land its lander with the rover on the lunar surface to conduct the next level of scientific studies.

"Things are going on. The orbiter is getting ready. Flight integration activity is going on, and a series of tests are planned for lander and rover. They are all in progress and we are working towards the first quarter (of 2018) launch of Chandrayaan-2," ISRO Chairman A S Kiran Kumar told PTI.

Officials said rover flight systems test include "soil mixing exercise" and mobility test to evaluate the rover's wheel-soil interaction.

According to them, the lander configuration has been finalised to meet soft and safe landing at the identified site, as also payload configuration and interfaces with the lander.

Indian Space Research Organisation (ISRO) had also established a lunar terrain test facility for conducting lander leg drop tests.

"It is a totally Indian mission; no other collaboration," Kiran Kumar said.

"It (Chandrayaan-2) differs from the previous one (Chandrayaan-1) in the sense that in the last one, we had moon impact probe that descended on the moon in an uncontrolled manner, whereas this (Chandrayaan-2) will carry a lander, which will descend on the surface of the moon in a controlled manner," he said.

After the lander lands on the moon, the rover will come out and it will do some in-situ observations and we will be able to get these observations through radio contact, Kiran Kumar said.

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Agencies
February 10,2020

New Delhi, Fevb 10: Of the countries most at risk of importing coronavirus cases, India ranks 17th, researchers have found on the basis of a mathematical model for the expected global spread of the virus that originated in China's Wuhan area in December 2019.

So far, India has reported three coronavirus positive cases -- all from Kerala.

Among the airports in India, the Indira Gandhi International Airport in New Delhi is most at risk, followed by airports in Mumbai, Kolkata, Bengaluru, Chennai, Hyderabad and Kochi, according to the model.

The new model for predicting global novel coronavirus cases has been developed by researchers from Humboldt University and Robert Koch Institute in Germany.

"The spread of the virus on an international scale is dominated by air travel," said the study.

"Wuhan, the seventh largest city in China with 11 million residents, was the relevant major domestic air transportation hub with many connecting international flights before the city was effectively quarantined on January 23, 2020, and the Wuhan airport was closed. By then the virus had already spread to other Chinese provinces as well as other countries," it added.

The researchers said that it is possible to estimate how likely it is that the virus spreads to other areas by looking at air travel passenger numbers.

"The busier a flight route, the more probable it is that an infected passenger travels this route. Using these probabilistic concepts, we calculate the relative import risk to other airports. When calculating the import risk, we also take into account connecting flights and travel routes that involve multiple destinations," said the study.

The top 10 countries and regions at risk of importing coronavirus cases are: Thailand, Japan, South Korea, Hong Kong, Taiwan, USA, Vietnam, Malaysia, Singapore and Cambodia, according to the model.

While Thailand's national import risk is 2.1%, it is 0.2% for India, found the research.

The foundation of the model is the worldwide air transportation network (WAN) that connects approximately 4,000 airports with more than 25,000 direct connections.

The model accounts for both, the current distribution of confirmed cases in mainland China as well as airport closures that were implemented as a mitigation strategy.

This network theoretic model is based on the concept of effective distance and is an extension of a model introduced in the 2013 paper "The Hidden Geometry of Complex, Network-Driven Contagion Phenomena" published in the journal Science.

The current outbreak of the 2019-nCoV virus started in Wuhan city, Hubei province, China. While the first cases were reported as early as December 8, 2019, the outbreak gained global attention on December 31, 2019, when the World Health Organization was alerted to "several cases of pneumonia" by an unknown virus.

The new virus was soon identified as a novel coronavirus and named 2019-nCOV. It belongs to the family of viruses that include the common cold and viruses such as SARS and MERS. On January 20, 2020, it was confirmed that the coronavirus can be transmitted between humans, greatly increasing the risk of a global spread.

The death toll due to the novel coronavirus outbreak in China has increased to 811 on Sunday, surpassing that of the Severe Acute Respiratory Syndrome (SARS) epidemic in 2003.

Although about 20 countries have confirmed cases, China has accounted for about 99 per cent of those infected. The first foreign victims of the virus both died on Saturday in Wuhan.

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News Network
February 4,2020

New Delhi, Feb 4: Senior BJP leader and Defence Minister Rajnath Singh on Monday accused Delhi's ruling Aam Aadmi Party of not implementing the central government's schemes in the national capital.

Addressing an election rally in Moti Bagh, he also sought to allay fears over the Citizenship Amendment Act (CAA), assuring the gathering that the legislation will not take away anyone's citizenship.

Singh alleged that the Chief Minister Arvind Kejriwal-led Delhi government did not do anything in the last five years.

The AAP had promised to add 5,000 buses to the fleet of the Delhi Transport Corporation (DTC), but instead the number has come down by 1,000, he claimed.

The Union minister said the AAP dispensation did not implement central schemes in Delhi fearing that the popularity of the Prime Minister Narendra Modi-led government will grow among Delhiites.

Pension schemes and the Centre's flagship health insurance scheme, Ayushman Bharat Yojana, are some of those that the Kejriwal government did not allow to be implemented in Delhi.

On the anti-CAA protests, Singh said that the opposition parties have been spreading "lies" about amended citizenship law and the National Population Register (NPR).

"The CAA will not take away anyone's citizenship. The opposition parties are spreading lies about the CAA. There should be no such politics over this. Some people are trying to write the history of the country with the ink of hatred," he said.

The culture of India is such that it considers the entire world one family, he said.

Delhi goes to polls on February 8. The results will be declared on February 11.

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News Network
July 26,2020

New Delhi, Jul 26: Union Home Minister Amit Shah on Sunday saluted the valour and grit of the Indian soldiers on the occasion of 21st anniversary of the 'Kargil Vijay Diwas'.

Shah took to Twitter and said that 'Kargil Vijay Diwas' is a symbol of India's proud, valour and steadfast leadership.

"Kargil Vijay Diwas is a symbol of India's proud, valor and steadfast leadership. I bow to the soldiers who, with their indomitable courage, drove the enemy from the inaccessible hills of Kargil and waved the tricolor there again. The country is proud of the heroes of India, who are dedicated to protecting the motherland," Shah tweeted (translated from Hindi)
The country is celebrating the anniversary of the 'Kargil Vijay Diwas'.

The Indian armed forces had defeated Pakistan on July 26, 1999. Since then, the day is celebrated as 'Kargil Vijay Diwas' to rekindle the pride and valour of the soldiers who took part in Operation Vijay.

The day marks the victory of Indian soldiers in recapturing the mountain heights that were occupied by the Pakistani Army on July 26, 1999, known as the Kargil War. 

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