The black hole in the centre of our Milky Way Galaxy has been imaged for the first time, showing a ring of gas encircling the event horizon, beyond which no light can escape.
There are very few deep-sky sights that can equal, let alone surpass, the magnificence of a great globular cluster filling the field of view of a high-power eyepiece, with myriad sparking suns crammed together and all vying for attention.
comNik Szymanek recently spent three consecutive nights testing the capabilities of Software Bisque’s new edition of The Sky, namely The Sky Imaging Edition. On night two, he finds out how well it autofocuses and autoguides his telescope.
When measuring the Hubble constant by mapping the properties of the cosmic microwave background radiation to the standard model of cosmology, astronomers get a value of about 69 kilometres per second per megaparsec.
