What is magnitude, and how to interpret the value? To answer this question, first, we have to touch on another...
Month: April 2026
NGC 7023, famously known as the Iris Nebula, is a stunning reflection nebula located approximately 1,300 light-years away in the...
NGC 3628, shown on the right, is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo....