Sentences with phrase «although early galaxies»
Although early galaxies played a key role in our own cosmic history, understanding them has remained a daunting challenge: they are extraordinarily faint and all of their light has been shifted by the expansion of the Universe to infrared wavelengths and beyond.
https://www.tmt.org/ Not exact matches
Although he thinks it might be too soon to reach any general conclusions based on a sample as small as five, the newly found galaxies represent a solid contribution to the census of the early universe.
Although impressive, the number of galaxies found at this early epoch is not the team's only remarkable breakthrough, as Johan Richard from the Observatoire de Lyon, France, points out, «The faintest galaxies detected in these Hubble observations are fainter than any other yet uncovered in the deepest Hubble observations.»
Although GRB 000131, like other gamma - ray bursts, appears to have taken place in a remote «early galaxy» (or «sub-galactic clumps» of stars) that is smaller than today's luminous galaxies, astronomers found it difficult to detect that extremely dim, sub-galactic clump of stars even with the Hubble Space Telescope, as the observed fading of the afterglow indicated that the maximum brightness of the gamma - ray emission was explosion was at least 10,000 times brighter than its host galaxy.