NASA's Hubble breaks cosmic distance record; spots farthest known galaxy in universe
Previously, the team had estimated GN-z11's distance by determining its colour through imaging with Hubble and NASA's Spitzer Space Telescope.
Mar 04, 2016, 08:28 AM ISTAstronomers measure 'heartbeats' of distant stars
Analysis of the Hubble data showed that the average pixel varies on a timescale of approximately 270 days.
Nov 17, 2015, 13:54 PM IST