Chandrayaan- 3
1.What is Chandrayaan 3 launch date and time?
Answer. Chandrayaan 3 was launched on 14th July 2023 at 2:30 PM IST(Indian Standard Time).
2.What is the name of ISRO’s Moon Mission Launch Vehicle?
Answer. ISRO’s Moon Mission launch vehicle is named as ‘Mark-III a.k.a LVM3’.
3.What is the launch site of India Moon Mission?
Answer. India Moon Mission’s launch site is situated at Satish Dhawan Space Centre in
Sriharikota, Andhra Pradesh.
4.What is the budget for this mission?
Answer. Chandrayaan 3 is set at a budget of Rs 615 Crores. It is being called one of the most costeffective space missions.
5.Who is conducting this mission?
Answer. Indian Space Research Organization(ISRO), India’s space organization is conducting its
third lunar mission, Chandrayaan 3
6.What type of mission is ISRO’s Chandrayaan 3?
Answer. ISRO’s Chandrayaan 3 is a Lunar exploration mission.
7.Who is leading this mission?
Answer. India Moon Mission is being led by Ritu Karidhal Shrivastava. She is a scientist at ISRO.
She was Deputy Operations Director for India’s Mars orbiter mission and was named “Rocket
Women” of India.
8.What are the objectives of ISRO’s moon mission?
Answer. There are three main objectives of ISRO’s moon mission. They are:
(i) To demonstrate a Safe and Soft Landing on Lunar Surface
(ii) To demonstrate Rover roving on the moon and
(iii) To conduct in-situ scientific experiments.
9.What technologies have been used in this mission?
Answer. Chandrayaan 3 has used the following technologies in this mission:
i) Altimeters: Laser & RF-based Altimeters
(ii) Velocimeters: Laser Doppler Velocimeter & Lander Horizontal Velocity Camera
(iii) Inertial Measurement: Laser Gyro based Inertial referencing and Accelerometer package
(iv) Propulsion System: 800N Throttleable Liquid Engines, 58N attitude thrusters & Throttleable
Engine Control Electronics
(v) Navigation, Guidance & Control (NGC): Powered Descent Trajectory design and associate
software elements
(vi) Hazard Detection and Avoidance: Lander Hazard Detection & Avoidance Camera and
Processing Algorithm
(vii) Landing Leg Mechanism
10.What is the total weight of the rocket?
Answer. The rocket consists of a Propulsion Module which weighs 2148 kg, a Lander Module
which weighs 1752 kg, and a Rover of 26 kg, which in total makes it 3900 Kg.
11.What is the name of the rocket used in Chandrayaan 3?
Answer. The rocket used in Chandrayaan 3 is named as LVM3-M4 (Fat Boy).
12.Is Chandrayaan 3, an unmanned mission?
Answer. Yes, Chandrayaan 3 is an unmanned Mission. However, it consists of a lander and Rover
named as Vikram and Pragyan, respectively.
13.How much time will the mission take to complete?
Answer. The mission is expected to be completed in ‘about a month’.
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14.When will the rocket land on the moon?
Answer. The expected date of landing on the moon is 23rd August 2023. After landing, it will
operate for 1 lunar day, which is equal to 14 Earth days.
15. When will Vikram Lander detach from the spacecraft?
Answer. On 17th August 2023, Vikram Lander successfully detached from the propulsion module.
16. What is the name of the lander and rover used in Chandrayaan 3?
Answer. The lander used in Chandryaan 3 is named 'Vikram' and the rover used in the mission is
named 'Pragyan'. Both of these names are similar to India's second moon mission, 'Chandrayaan2'.
17.Why is Chandrayaan 3 important for India?
Answer. Successful completion of Chandrayaan 3 will make India, the fourth country on Earth, to
make a soft landing on the moon. Further, India would be the first country to make a landing on
the south pole of the moon, an area that remains largely unexplored yet.
18. What tests were carried out to examine the technologies used in the making of
Chandrayaan 3?
Answer. In order to examine the technologies listed in the above answers, several lander special
tests were conducted. The name of those tests along with their basic details have been listed below:
Integrated Cold Test - For the demonstration of the Integrated Sensors & Navigation performance
test using a helicopter as a test platform
Integrated Hot test – For the demonstration of closed-loop performance test with sensors,
actuators, and NGC using a Tower crane as a test platform
Lander Leg mechanism performance test on a lunar simulant test bed simulating different
touchdown conditions
19. What are the key aspects of Chandryaan 3?
Answer. Chandrayaan 3 is special for India because of some key aspects of the mission. Find the
key aspects of Chandrayaan 3 below:
To measure the near-surface plasma (ions and electrons) density and its changes with time
To carry out the measurements of thermal properties of the lunar surface near-polar region
To measure seismicity around the landing site and delineate the structure of the lunar crust and
mantle
It is a passive experiment to understand the dynamics of the Moon system
20. When did Chandrayaan 3 land on moon?
Answer. Chandrayaan 3 took the most awaited turn on 23rd August 2023 at 6:04 PM (IST).
Chandrayaan 3 lander Vikram landed successfully on the surface of the moon, leaving all 140 crore
Indians shocked and emotional.
21. Who is the project manager of Chandrayaan-3?
Answer. P Veeramuthuvel, who is a graduate of the Indian Institute of Technology Madras (IIT-M) and has
been with ISRO since 2007.
22.How far is Moon from Earth ?
Answer: 384400km