Let me explain with Nandhini | Space updates in tamil <br /> <br />Govt shares Gaganyaan Mission update: 'One Gaganyaatri from ISRO will undertake space travel to ISS' <br /> <br />Mercury has a layer of diamond 10 miles thick, NASA spacecraft finds <br /> <br />Earth's water depleting oxygen rapidly: Poses significant threat <br /> <br /> <br />#ISRO <br />#Gaganyaan <br />#ISS <br />#NASA<br /> ~PR.54~ED.72~HT.74~