Articles

Scientific explorations of spirals and convergence phenomena in mathematics, physics, biology, astronomy, computer science and complex systems.

8 articles · Astronomy

Astronomy
Astronomy
20–27 min

Spiral Galaxies: A Living Form at Cosmic Scale

Spiral galaxies are disks of stars, gas, dust and dark matter. Their arms are not simple material ribbons: they form and are maintained by several dynamic mechanisms.

Jun 10, 2026Read →
Astronomy
Astronomy
21–28 min

Accretion Disks: How Matter Loses Its Orbit

Matter around a black hole initially retains too much angular momentum to fall directly. It forms a disk, exchanges energy and angular momentum, then drifts inward.

Jun 20, 2026Read →
Astronomy
Astronomy
18–24 min

Pulsars and Magnetars: Rotation, Beams and Extreme Fields

Pulsars are rotating neutron stars whose radiation sweeps space. Their physics is primarily about rotation and the magnetosphere, not a single geometric spiral.

Jun 2, 2026Read →
Astronomy
Astronomy
15–20 min

Planetary Nebulae: Sculpting a Dying Star's Envelope

When an intermediate-mass star exhausts its fuel, it ejects its outer layers. The star's rotation and interactions with a binary companion create spectacular spiral structures.

Mar 18, 2026Read →
Astronomy
Astronomy
18–24 min

Galactic Arms: Density Waves, Instabilities and Interactions

If spiral arms were rigid material structures, differential rotation would wind them up. Density wave theory explains why they persist, but other mechanisms also contribute.

Mar 14, 2026Read →
Astronomy
Astronomy
19–26 min

Orbits and Precession: Why a Rosette Is Not a Spiral

In Newtonian mechanics, planetary orbits are closed ellipses. Perihelion precession produces a rosette — a trajectory that rotates without continuously approaching the center.

Mar 10, 2026Read →
Astronomy
Astronomy
16–22 min

From Cloud to Planetary System: The Role of the Protoplanetary Disk

Conservation of angular momentum flattens a collapsing cloud into a rotating disk. Gravitational instabilities in this disk create spiral structures that lead to planet formation.

Mar 6, 2026Read →
Astronomy
Astronomy
38–51 min

Compact Object Merger: The Spiral That Becomes a Chirp

Two compact objects lose energy as gravitational waves. Their orbit winds inward as a dissipative spiral, frequency rises, and the signal produces a chirp — from GW150914 to GW250114.

Mar 2, 2026Read →