CHAT Transcripts

Transcript of my chat with a student on DARK MATTER

Mani is online. hi sir..gud aftrnun hello sir..hav u heard of dark matter? ya itz said dat its present evrywher in d universe…does it possess mass? Not Everywhere, Darkmatter is matter which is not seen because they donot emit or reflect any detectable radiations or matter. Their presence is felt by gravity. Just like a […]