Giant wave of hot gas discovered in nearby Perseus galaxy cluster
Scientists say the wave, spanning some 200,000 light-years, is about twice the size of our own Milky Way galaxy.
May 03, 2017, 17:13 PM ISTCold wave sweeps North India
From Rajasthan to Himachal, cold waves have swept the whole of North India affecting the normal life.
Dec 17, 2015, 12:29 PM IST