The Luminous Riddle of the Quasar

Here's a glowing riddle to tantalize your curious mind:

I twinkle in skies when the day bids adieu,

But I'm neither a star, nor a trick of the view.

With a luminescent dance and a shimmer so grand,

What am I, who glows with an ethereal band?

Think you know the answer? Well, prepare your brain for the cosmic giggle:

Reveal Thyself | Wander Further