This week’s small-telescope target is globular cluster NGC 2808 in the southern constellation Carina the Keel. It shines at magnitude 6.2 and has a diameter of 13.8′. That means it covers 20 ...

Get Instant Summarized Text (Gist) Astronomers have examined the hot gaseous halo of the spiral galaxy NGC 7793 using data from Spektr-RG and Chandra observatories. They identified extraplanar X ...