Astronomers hate dust as much as the rest of us ― even more, perhaps. It’s one thing to get a little dust in your eye that takes your vision out of focus. Now imagine this kind of dust problem on a galactic scale where it hinders scientists trying to focus their telescopes into space. This device ― the Dark Energy Spectroscopic Instrument ― will create a map of over 30 million galaxies. To help with the DESI project, Berkeley researchers created the following detailed 3D animation showing dust that spans thousands of light-years in our home galaxy.

Source: Huffington Post March 26, 2017 18:20 UTC