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Sunday, September 15, 2019

It was 7th september 2019... - ScienceNerds

It was seventh September 2019, Chandrayaan 2's Vikram Lander was relied upon to play out a delicate arriving on the lunar surface at the south post

Artistic representation of Vikram Lander view

Head Lines :

1. What happened to Vikram Lander Chandrayaan 2 Mission Loses Contact With Vikram Lander During Descent.


      Today, the first attempt made by ISRO for a soft lunar landing by sending the Vikram lander towards the surface of the Moon. This move would have made 

       India being the fourth nation of the world to land a spacecraft on the moon surface.


2. What went wrong with the Chandrayaan 2?


Chandrayaan-2 entered the Moon's orbit on 20 August and was thanks to making a controlled descent to the surface ahead of time Saturday, Indian time, over a month after its first took off. Staff at mission control were glued to the screens at Isro's Bangalore space centre because the spacecraft made its descent towards the surface.


3. Has Vikram Lander landed?
India Lost Contact with Vikram Lander During Historic Moon Landing.
India lost contact with its Vikram lunar lander on Friday (Sept. 6) during a daring try to make history because the first country to land near the South Pole.

4. Did Lander Vikram land on the moon?

On 6 September, India's Vikram lander lost contact with Earth during a preliminary to arrive on the moon and seems to have smashed, only five months after Israel's Beresheet shuttle confronted a similar destiny. ... The mission additionally incorporates an orbiter and a six-wheeled meanderer called Pragyan, which was conveyed inside the lander. 

5. Is communication established with Vikram Lander?

We are advancing immovable endeavours to choose if correspondence may be reestablished with the lander, an ISRO official said. Chandrayaan-2 includes an orbiter, lander (Vikram) and meanderer (Pragyan). The mission lifetime of the lander and rover is one day, which is adequate 14 earth days.


Artist impression of Vikram studying Landing site


Back in time, the missions by other countries have
recommended that the southern Lunar land is plentiful in mineral with the guarantee of water, which was first 

confirmed by ISRO's Chandrayaan-1 mission.

What's so special about Chandrayaan II

ISRO Chairman K. Sivan said the Indian lander Vikram would be the first-ever spacecraft to land at the lunar pole.
It has two site choices, the holes Manzinus-C and Simpelius-N.
The sites were picked after scouring through some thousand lunar images from Chandrayaan-1 and other missions

During the descent to the lunar surface,
the lander hovers for some seconds over a site and therefore the sensors must assess whether the spot is flat enough for the lander, whether it's rocks that may topple the lander, and whether the lander is steady to release the rover within it. If the spot isn't safe,
it must quickly rise and shift to a neighbouring spot and again assess if it's suitable to land on, dead seconds.

Final readings -

=> this was clearly visible that Vikram -- at 11 minutes and 28 seconds after its descent begins, Vikram's vertical velocity (the speed with which it absolutely was descending on to the Moon) was 42.9 meter per second. After a moment the speed dramatically increased to 58.9 meters per second.

=> During this significant movement, Vikram unexpectedly performed a somersault.

For a quick moment, the Chandrayaan-2 lander was the other way up over the

lunar surface.

Vikram decent trajectory

Everything was Normal until an altitude of 2.1 km
ISRO tweet on communication lost with lander  7, Sep 2019





~sciencefreak

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