Vikram lander nourishes science by measuring moon’s subsoil temperature 




An instrument on the Vikram lander has measured the temperature of the moon 10 cm below the surface and has come up with a revelation: there is a sharp temperature drop.  

The graph shows that at a few millimetres above the surface the temperature is a little over 50 degrees C, but as you go down to 8 cm below the surface, it drops to minus 10 degrees C. 

The inference is that the moon does not hold the heat it receives from the sun, because there is no atmosphere to absorb it. The moon’s surface reflects everything back. 

The Vikram lander, which majestically sits on the moon basking in the copious adulations from home, but it is not sitting quiet. The ‘Chandra’s Surface Thermo physical Experiment (ChaSTE)’, which is one of the four instruments onboard the Vikram, got active, first measuring the temperature of the lunar topsoil, and then sending a ‘temperature probe’ 10 cm below the surface. 

Ten sensors

The probe is fitted with 10 individual temperature sensors. Together, they show the temperature variation as you go down.  

“This is the first such profile for the lunar south pole,” ISRO tweeted, after releasing the graph. “Detailed observations are underway,” it said.  

The ChaSTE was developed by the Space Physics Laboratory at the Vikram Sarabhai Space Center, Trivandrum in collaboration with the Physical Research Laboratory (PRL), Ahmedabad. 

Now, the simple question is, why should one be bothered about the sub-surface temperature of the moon? 

The moon’s subsoil temperature tells a lot. For example, it can hint at where water ice may be hiding. It can indicate what lies beneath — subsurface geological features such as lava tubes and impact craters. A temperature gradient can help assess the habitability of the moon and reveal how to design habitats. Furthermore, subsoil temperature variations can help figure out the moon’s thermal history. 

This is only the beginning. There are four instruments on the Vikram lander and two more on the Pragyan rover. These six are sure to throw up bountiful data in the coming days, which will enhance mankind’s knowledge of the cosmos. 


Source link

━ more like this

China Sanctions: China sanctions US firm Kharon, provider of research on Xinjiang

BEIJING: China's foreign ministry said it had sanctioned Kharon, a US firm founded by former treasury department officials that provides data to companies...

Bry-Air Conducts the 13th Biannual Eye Camp to Support Underprivileged People Suffering from Eye-Related Problems

Bry-Air Conducts the 13th Biannual Eye Camp to Support Underprivileged People Suffering from Eye-Related Problems Staying true to its commitment to enhancing lives through CSR...

Ukraine: Ukraine claims destruction of major Russian navy vessel in Crimea

Ukraine's air force said on Tuesday that it had destroyed a major Russia landing ship stationed in the Crimean waters, after the Russian-installed...

Mavericks’ Luka Doncic reaches 10,000-point career milestone

Mavericks star Luka Doncic reached 10,000 career points during the first quarter of Dallas’ road game against the Phoenix Suns. Doncic reached 10,000...

Indonesia nickel plant explosion death toll rises to 18

JAKARTA: The death toll after an explosion at a Chinese-funded nickel-processing plant in eastern Indonesia over the weekend has risen to 18 with...