shapes articles

Why do planetary nebulas have so many different shapes?

The vast, glowing clouds known as planetary nebulas present a stunning array of forms across the night sky, from simple ...

Which galaxy is disk-shaped?

The galaxy that most famously exhibits a distinct, flattened, disk-like shape is our own, the **Milky Way** [^3][^5][^6]...

Are elliptical galaxies disc-shaped?

The visual representation of many galaxies, particularly our own Milky Way, immediately brings to mind a flat, spinning ...