Humanity’s First Image of the Milky Way’s ‘Galactic Bar’

  “We know the Milky Way has a bar, like other barred spiral galaxies, but so far we only had indirect indications from the motions of stars and gas, or from star counts in infrared surveys. This is the first time that we see the galactic bar in three-dimensional space, based on geometric measurements of … Continue reading Humanity’s First Image of the Milky Way’s ‘Galactic Bar’