Discover and read the best of Twitter Threads about #Chandrayaan2

Most recents (24)

Here We Go: #Update #Thread

As #GSLVMk3 or #LVM3 prepares for its second commercial launch, @isro efforts on enhancing its weight-lifting capacity is gaining pace. I hear that the qualification tests for semi-cryo (SC120) are expected to be completed in a couple of months. 1/n
#GSLVMk3 is India’s heaviest rocket yet. Here’s some perspective: Between May 26, 1999 and Oct 22, 2022, @isro launched 345 foreign satellites, all on #PSLV, which together weigh 9,326.4kg. On Oct 23, 2022, in its first commercial mission, #LVM3 launched 5,796kg. 2/n
Of course, these missions are incomparable given that most of the foreign satellites launched by PSLV were ride-sharing payloads and include tens of small, micro and nano satellites… 3/n
Read 14 tweets
#UPDATE #Thread #Moon #India

In another finding, data from #Chandrayaan2 has shown that plasma density in Moon’s ionosphere in the wake region is at least one order of magnitude more than that present in the day side. 1/n

Pic: @isro
#Chandrayaan2 carried several payloads, among which, the Dual Frequency Radio Science (#DFRS) was designed to study the lunar ionosphere. It was conceptualised and jointly developed by SPL of VSSC; URSC and Istrac. 2/n
Pointing out that the Moon’s ionosphere, which derives its origin from the atmosphere believed to be very tenuous, @isro said, the plasma density was considered to be only a few hundred ions per cubic centimetre. 3/n
Read 14 tweets
The Indian Space Research Organisation(ISRO)

An institution which paved its way to become an integral part of the human space programs and made India, an emerging centre for upcoming exciting space technologies.

Lets have a look at some of the upcoming missions of ISRO.

The Gaganyaan Mission, it is India's crewed mission that aims to send humans to Lower Earth Orbit (LEO)and bring them back safely.

Read 14 tweets
More #Space Updates: @isro , which has a packed 2022 has made considerable progress on #Chandrayaan3. With many related hardware and special tests successfully completed, the team is moving closer to integrated testing. Launch targeted this year. Maybe August. #Thread
@isro chairman S Somanath told me late last month: “Chandrayaan-3 has been going through a series of reviews, improvements, and strengthening. Some of these are based on the issues we’ve seen earlier....
...But the issues we’ve learnt so far may not be the only ones. The questions are many and we need to foresee a lot of them which may further require corrections. The hardware is under realisation too.”
Read 12 tweets
#Chandrayaan2 | @isro’s Chandrayaan 2 identifies craters that may have water after mapping 4 million square kilometres of the Moon in its first year…

By @pabsgill Image
🛰️It’s been a year since #Chandrayaan2 has been in orbit around the Moon.

In that time, the eight instruments it has onboard have been scouting the lunar surface for craters that could hold water and landing sites for future missions.
🛰️#Chandrayaan2’s Terrain Mapping Camera took photos of nearly 4 million square kilometres of the Moon’s surface.

The Terrain Mapping Camera - 2 (TMC -2) completed 220 orbits of the Moon and took images of nearly 4 million square kilometres of its surface. Image
Read 9 tweets
#Chandrayaan2 Successfully Completes One Year of Orbiting the Moon…

(📸:IANS/ISRO) Image
🛰️It is one year since India's second moon spacecraft #Chandrayaan2 was inserted into the lunar orbit, the Indian Space Research Organisation (ISRO) said on Thursday.
➡️The Indian space agency (@isro) said #Chandrayaan2 spacecraft/orbiter was launched on July 22, 2019 and inserted into lunar orbit on August 20, 2019.
Read 6 tweets
Chandrayaan2's Pragyan "ROVER" intact on Moon's surface & has rolled out few metres from the skeleton Vikram lander whose payloads got disintegrated due to rough landing | More details in below tweets @isro #Chandrayaan2 #VikramLander #PragyanRover (1/4) ImageImage
1.Debris I found was of Langumir probe from the Vikram lander
2. Debris NASA found might be from other payloads, antenna, retro braking engines, solar panels on side etc.,
3. Rover has rolled out from lander & has actually travelled few metres from the surface
South Pole region is not always well lit and the lander was in a shallow depth of 2 ms from the surface so it was not visible in Nov 11th's NASA flyby due to different angle of incidence & would be difficult for anyone to find it unless the sun is directly above the surface(3/4) Image
Read 12 tweets
#Watch | A Year Since #Chandrayaan2 Launch, India Prepares to Touch the Moon with #Chandrayaan3…

@isro #ISRO
July 22, 2020 marks the one-year anniversary of the launch of #Chandrayaan2, India’s second lunar exploration mission developed by the Indian Space Research Organisation (ISRO).
Initially scheduled to launch on July 14, 2019, this mega-mission launch was aborted and rescheduled with just an hour to go due to a technical glitch.

Read 15 tweets
What were the most Tweeted about conversations, hashtags, and people in India in 2019?

🥁 please…

Here is our annual Year on Twitter report!…

Follow and join the #ThisHappened in 2019 conversation with these hashtags 👇
भारत में 2019 के सबसे अधिक बातचीत, हैशटैग और लोगों के बारे में ट्वीट क्या थे?


प्रस्तुत है ट्विटर की वार्षिक रिपोर्ट!…

इन हैशटैग के साथ 2019 की बातचीत में शामिल हों #यहहुआ
This year's Golden Tweet (or the most Retweeted Tweet) was @narendramodi's Tweet after winning the #loksabhaelections2019.

This also happened to be the most Liked Tweet this year
Read 16 tweets
@LRO_NASA peculates through the trees! Hopefully sending data of #VikramLander home. Image
Here's Madrid's DSN54 calling #VikramLander as heard by its signal reflecting of the Moon to my station almost 9000Km away. The signal path is over 800000km! Image
Now that's better! The trees are now out of the beam and the Madrid DSN54 signal is loud and clear! Image
Read 10 tweets
As we gear up for observations tonight, it appears #Chandrayaan2 may have made a slight orbital adjustment lower its nominal altitude to ~92km. Observations from @VK5EI, @df2mz and myself support this.
Let's have a little fun with this and try the Twitter poll feature.

Why do you think the orbit of #Chandrayaan2 is changing?
Hey Guys the 'are they nuts!' answer was a joke OK?!
Read 14 tweets
#Chandrayaan2 orbiter Doppler data from last night and 4 day trend. This trend indicates the orbital plane was not quite perpendicular to Earth when I observed it last and that the plane of the orbit will be fully visible for the next couple of days. ImageImage
Polar orbiting lunar satellites will twice a lunar day (~27 Earth days) present the full plane of the orbit to Earth and not pass behind the Moon. This plot of a full month of @LRO_NASA data demonstrates the phenomenon nicely. Image
After a review of data collected last night no signals observed from the #VikramLander.
Read 6 tweets
Good evening all, nothing new to report here. Just getting acquisition of signal on @LRO_NASA now. Shouldn't be too much longer before the moon completely clears the trees and we can begin listening seriously. Image
The 3m dish is trained on the moon now. China's Chang'e 5 test mission orbiter is load and clear! Image
I use @LRO_NASA and CE5T1 as alignment references to ensure the large dish is aimed properly as it's field of view is rather narrow.
Read 17 tweets
No status change in #Chandrayaan2 mission in last 24 hours. No signals reported from the #VikramLander, orbit of #Chandrayaan2 remains stable. No new official reports from #ISRO, speculation in the Indian media as to the cause of the landing anomaly continues.
#NASA's #DSN appears to have stopped active transmission of commands to #VikramLander to stimulate a response. DSN NOW website appears to show stations tasked to #VikramLander but emissions have not been observed.
#Chandrayaan2 orbiter continues to emit strong S-band radio signals. I found an error in my earlier period timings for the orbiter and now my data nicely matches that of @df2mz. It’s safe to say rumours of the orbiter lowering its orbit are not true. ImageImage
Read 26 tweets
Many new followers from India have asked many great questions about the #Chandrayaan2 orbiter and the fate of the #VikramLander. The following thread will provide some plain English answers about what I know about the present status of the mission.
#ISRO has not released any further official updates on the mission since Sept. 10th. Which indicated the orbiter had located the lander on the surface of the #Moon. Many rumours but there is no new official reports about #VikramLander or #Chandrayaan2 orbiter since this report.
No radio signals have been copied from #VirkamLander since the landing anomaly occurred.
Read 20 tweets
A thread of all the Ganpati we've seen till now...pls add your own pictures in comments below-
The first and foremost is Lalbaghcha raja🙏
The bustling crowd of people waiting with patience in long lines for long hours and the sheer joy of looking at him renders your speechless.
The theme this year was India's space programs
#Chandrayaan2 #isro
Read 24 tweets
Once again PM leading from front at the time when our scientists need reassurance and faith he is there holding their hand, boosting their morale.
Science is all about experiments and struggles, there is nothing like failure in Science.
Well Done #ISRO
Its important to know that #Chandrayaan2 had two missions
Lander (Vikram) & Rover (Pragyan)
While Isro is trying to get communication back with Vikram, orbiter remains in operation orbiting the moon successfully and will continue to study the moon from far.
Losing contact with the lander & the rover just 2.1 km above d surface is not a failure. Only 5% of the mission is lost .The orbiter can take several images of the moon and send it to @isro also take pics of the lander to find out its status .
This is a remarkable achievement
Read 5 tweets
Isro chief Dr. Sivan
Kailasavadivoo Sivan born in 14 April 1957 in nagercoil in kanyakumari district in TN.
Son of a farmer and 1st Graduate in his family studied in a Tamil medium Govt school in Mela Sarakkalvilai Village & later in Vallankumaranvilai in Kanyakumari.
Sivan graduated with a bachelor's degree in engineering from Madras Institute of Technology in 1980. He then got a master's degree in aerospace engineering from Indian Institute of Science, Bangalore in 1982, and started working in ISRO.
He earned a doctoral degree in aerospace engineering from Indian Institute of Technology, Bombay in 2006. He is a Fellow of the Indian National Academy of Engineering, the Aeronautical Society of India and the Systems Society of India
Read 16 tweets
Tonight we're using the Dwingeloo @radiotelescoop to track the landing of the @isro #Chandrayaan2Live Vikram lander on the surface of the Moon. The lander just reappeared from behind the Moon and locked on to the Madrid telescope of the @dsn_status network.
@radiotelescoop @isro @dsn_status @PI9CAM @tammojan The #Chandrayaan2Live Doppler curve has just reached its maximum. This means it has just passed over the lunar North pole and is now moving South towards the landing site.
@radiotelescoop @isro @dsn_status @PI9CAM @tammojan The S-band carrier of #Chandrayaan2Live is showing faint whisps over the last few minutes. Could these be reflections of the signal from the Lunar surface?
Read 12 tweets
🇮🇳🌜… (by @NihaMasih)
@NihaMasih 👎🏾Launched in July, #Chandrayaan2 had successfully completed earth and moon orbits and was all set to execute a controlled landing on the lunar south pole, a previously unexplored region.…
Read 3 tweets
Neeraj Verma & Rashmi travelled all the way to from #Nagpur to #Sriharikota to witness the historic #Chandrayaan2 take off. I asked them what do they do for a living? Their answer amazed me, We are science activists (vigyaanan sevak) said the couple. Like how? #IndiaMoonMission
The couple travelled more than 1100 KM's to reach #Sriharikota from their village near #Nagpur border to be a part of @isro #Chandrayan2 launch

The couple travelled for more than 20 hours & reached #Sriharikota on 15th July, but the launch was called off in the last minute
They went back to their village & by the time they reached home the next launch date was announced

The couple left home again and travelled all the way back to #Sriharikota just to be there to witness the historic #MoonMission2 launch
Read 8 tweets
India's headed to the moon w/ #Chandrayaan2. Both the project director & the mission director are women - Muthayya Vanitha & Ritu Karidhal respectively. Reportedly, 30% of @isro's workforce is female. 1/
There were also several female scientists in the leadership team of India's Mars orbiter mission, some of which were featured in this video 2/ #Mangalyaan
ISRO scientist V. R. Lalithambika leads India's Human Spaceflight Programme. India is aiming to send astronauts into space by 2022 #Gaganyaan 3/
Read 5 tweets
All eyes on @isro this morning 👀 - the Indian Space Research Organisation is set to launch its spacecraft, #Chandrayaan2, to the south pole of the moon today. The launch is scheduled for 14:43 local time (10:13 BST). Here's @BBCNews' report from Thursday…
This is @ISRO’s second attempt at launching #Chandrayaan2 - the first attempt, on 14 July, was aborted just minutes before launch, due to a “technical snag”…
If the #Chandrayaan2 landing is successful, it will make India just the fourth nation to complete a soft landing on the moon, after the US, USSR, and China, and the first to land near the south pole…
Read 8 tweets
So this thread was going to be about the launch by @isro of #Chandrayaan2 - India's 🇮🇳 second lunar mission. The unmanned mission was scheduled to launch on 14 July and land on the moon’s surface in early September...…
…but the #Chandrayaan2 mission was put on hold at the last minute due to “a technical snag”, according to the Indian Space Research Organisation, @ISRO
Leaving a lot of people disappointed 😞
Read 8 tweets

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