The Red Rectangle in the constellation Monoceros (the Unicorn) roughly 2,300 light-years away, also known as star HD 44179, is a unique illustration of a proto-planetary nebula.

The Red Rectangle, so named because of its bizarre shape and striking color, is a nebula — a cosmic cloud of gas and particles. In this case, the nebula is formed by the central star, HD 44179 ...

There was an opportunity Thursday night to catch the March 2025 "Blood Moon," a phenomenon that colors the full moon in shades of red, orange and yellow during a total lunar eclipse.