By Nityanjali Bulsu
A greater-than-anticipated activity of plasma was observed during an analysis on the south pole of the moon. This activity was seen when the scientists of ISRO analysed the Vikram Lander data in Hyderabad and revealed the findings on Tuesday.
The density of electrons in the area was calculated to be somewhere between 380 and 600 electrons per cubic centimetre. The landing point of Vikram Lander of Chandrayan-3 was the place where this data was collected.
The landing area is referred to as the shiv shakti point, and the measurement was done through an instrument that was present on the Vikram lander, called Radio Anatomy of moon bound hypersensitive ionosphere and Atmosphere- Langmuir probe, also known as RAMBHA-LP.
The measured density of electrons and plasma activity has been found to be much higher in comparison to the observations at higher altitudes and other parts of the moon. The findings of the higher altitudes of the moon surface are also measured using the RAMBHA-LP probe. These are mainly based on the changes that took place within the electromagnetic signal phase. This is due to the satellites passing through the moon’s atmosphere.
The plasma medium is considered to be the fourth state of matter, right after solid, liquid, and gas. It is made up of several particles with lots of charge, like ions and free electrons. Plasma is also considered to be neutral electrically, but it is very conductive and has a high response to electromagnetic fields.
“The highly-charged plasma can cause static discharge on spacesuits, damage to electronics and sensors, and interference with radio communication. An accurate understanding of the plasma environment allows engineers to design safer landers, rovers, and habitats,” the scientist said. The results from the probe done using RAMBHA-LP also additionally give deep insights into the upcoming phases of lunar exploration. The data collected through the probe is expected to be of great help to space companies when it comes to planning for astronaut safety, lunar base designs, missions in regards to mining, aid in communication and navigation, and ultimately, the long-term survival of mankind in outer space.