We live in a galaxy – a star city with several hundred billion residents. Moreover, we know our Milky Way is a spiral galaxy, with prominent arms of bright young stars that spiral outwards from a central bar that is dominated by old stars. These arms are so prominent as Read more…
In August the Summer Triangle continues to dominate the seasonal sky. This classic asterism is defined by three bright stars of the constellations Cygnus, Aquila and Lyra, these are the distant but dazzling Deneb (Alpha Cygni), Altair (Alpha Aquila) and Vega (Alpha Lyrae). Running through the Triangle is the pale Read more…
The European Southern Observatory’s Very Large Telescope brings us new face-on portraits of six spiral galaxies. But what is the science behind these delightful images? Everyone loves stunning pictures of spiral galaxies, I have said this before and will no doubt say it again. The folks at the European Read more…