Science news articles about 'cosmic blobs'

A cosmic blob, as big as a galaxy and from way back in the Universe's history, has space scientists puzzled.

... stop when the gas is heated by radiation and outflows from galaxies and their black holes. Blobs could be a sign of this first stage, or of the second. Based on the new data and theoretical arguments ...

... pinpointed, thanks to new data from NASA's Chandra X-ray Observatory and other telescopes. This discovery helps resolve the true nature of gigantic blobs of gas observed around very young galaxies.