Orbiter successfully placed in Mars Transfer Trajectory

December 1, 2013

Mars_Transfer_Trajectory

Chennai/Bangalore, Dec 1: Crossing a major milestone in the country's space history, ISRO's Mars Orbiter mission today ventured out of Earth's sphere of influence for the first time in an attempt to reach the red planet's orbit.

The critical manoeuvre to place the Mars Orbiter Spacecraft in the Mars Transfer Trajectory was successfully carried out almost an hour past midnight.

During this manoeuvre, which began at 00:49 hours, the spacecraft's 440 Newton liquid engine was fired for about 22 minutes providing a velocity increment of 648 metres/second to the spacecraft.

"Following the completion of this manoeuvre, the Earth orbiting phase of the spacecraft ended. The spacecraft is now on a course to encounter Mars after a journey of about 10 months around the Sun," the Bangalore-headquartered Indian Space Research Organization said in a statement.

ISRO performed the trans-Mars injection, a "crucial event" intended for hurling its Mars Orbiter spacecraft into the planned orbit around the Sun, marking the first step towards the 300 day voyage to reach the orbit of the red planet after crossing roughly 680 million kilometer.

"The Trans Mars Injection (TMI) operations, which began at 00.49 hours (IST) completed," ISRO said.

ISRO has planned four mid-course corrections in case of any deviation along its path to the Martian orbit.

The space agency is scheduled to make four corrections in the course of the spacecraft's voyage to Mars before it is expected to reach the orbit of the red planet in September 2014.

It had performed five orbit-raising manoeuvres on its Mars Orbiter, raising the apogee (farthest point from Earth) of the spacecraft to over 1.92 lakh kilometers, before it performed the "mother of all slingshots."

The spacecraft is being continuously monitored from the Spacecraft Control Centre at ISRO Telemetry, Tracking and Command Network (ISTRAC) in Bangalore with support from Indian Deep Space Network (IDSN) antennae at Byalalu here, the space agency added.

ISRO's PSLV C 25 successfully injected the 1,350-kg 'Mangalyaan' Orbiter (Mars craft) into the orbit around the earth some 44 minutes after a text book launch at 2.38 PM from the Satish Dhawan Space Centre at Sriharikota on November 5, marking the successful completion of the first stage of the Rs 450 crore mission.

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News Network
June 3,2020

Jun 3: Emphasising that airlines are clearly the safest mode of transportation, IndiGo CEO Ronojoy Dutta on Tuesday said there is no evidence yet of coronavirus infection getting transmitted among passengers onboard an aeroplane.

His comments against the backdrop of instances of some passengers, who had taken flights after resumption of domestic air services on May 25, testing positive for coronavirus.

"Those people had the virus before they got on to the aeroplane. What is noteworthy is that they have done the tracing after that. There is no evidence of transmission onboard there... that is a very encouraging sign on the safety of airline travel," he said during an earnings call.

According to him, airlines are clearly the safest mode of transportation and there is no evidence yet of contamination on an aircraft.

"You can come in contaminated but so far there is no evidence of passing it on to a fellow passenger," he noted.

Amid concerns over the coronavirus pandemic, aviation regulator DGCA has asked airlines to ensure that to the extent possible, middle seat in flights should be kept empty.

In this regard, Dutta said the airline would keep the middle seat empty wherever it can and "where we have to fill the middle seat, we will have the extra protective gown".

To a query about possible hedging of fuel prices, he said it would be a dumb idea and that airlines adjust to ups and downs in fuel prices.

"I can't overemphasise what a dumb idea it will be for an airline to hedge fuel prices. I looked at it from different angles and it is not a good idea... we looked at hedging and we talked about it at the board level and we said no," he noted.

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Agencies
February 11,2020

New Delhi, Feb 11: Delhi BJP chief Manoj Tiwari on Tuesday said the party will review why it failed to meet its own expectations in the Assembly polls and saw a moral victory in the fact that the party's vote share has increased since 2015.

"Delhi must have given mandate after careful thinking. Our vote percentage has increased from 32 per cent to around 38 per cent. Delhi did not reject us and the increase (in vote share) is a good sign for us," he told reporters.

He said the BJP hopes that there would be less blame game and more work in the national capital and congratulated Arvind Kejriwal on his party's victory in the polls.

After winning the Patparganj seat, AAP senior leader Manish Sisodia accused the BJP of indulging in the politics of hate.

"We indulge in politics of development not politics of hate. We're against the roadblock in Shaheen Bagh as we were earlier," he said.

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News Network
February 11,2020

New Delhi, Feb 11: Celebrations broke out at the AAP headquarters here as early vote-counting trends for the Delhi Assembly polls on Tuesday showed a comfortable victory for the Chief Minister Arvind Kejriwal-led party.

The headquarters were decorated with blue and white balloons and big cut-outs of Kejriwal were placed in different parts of the party office.

"We knew it. We have changed the politics of this country. Now it is Delhi, next is India," said Sanjeev Singh, a party volunteer from Hari Nagar.

Another volunteer Fareen Khan said, "We hope we get such a clear majority that a message goes out that doing Hindu-Muslim politics will not work anymore."

The Aam Aadmi Party (AAP) is leading in 26 seats while the BJP is leading in 14 seats, according to early trends by the Election Commission.

According to the EC's website, AAP convenor Kejriwal is leading in his New Delhi constituency.

Kejriwal reached the party office as the counting of votes got underway.

Counting centres are spread across 21 locations, spanning 70 constituencies.

Polling for the 70-member Delhi Assembly was held on Saturday.

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