The astronomers, led by
John Stoke by the University of Colorado at Boulder (USA), reported that the
new observations spectrograph Space Telescope "Hubble" forced them to
rethink the size of the halo of spiral galaxies such as our Milky Way. So - and
significantly change our estimates of their mass.
This entire glowing
disc, which we used to call the Milky Way, represents only the tip of the
iceberg, nine-tenths of which are lost in the darkness.
