Comets
They fall in from the dark beyond the planets, arc past the sun, and vanish again for lifetimes — ice and dust set alight for a few brief weeks. Comets are the sky's own pilgrims, and they have something to teach us.
A comet is a visitor, not a resident. It pays the sun a brief call, unfurls a tail that can outrun worlds, and returns to the dark — sometimes for a lifetime, sometimes forever. Scripture does not name comets by name. But it knows the God who sends them, and it knows what a wandering light is for.
The Wandering Lights
The planets keep to one road — the same band of sky, the same yearly round. Comets are the true wanderers. They fall in from the dark beyond Neptune, swing around the sun in a long, slow arc, and vanish again for years, centuries, or forever. They are built of ice and dust — the leftover stuff of creation, frozen at the edge of the solar system — and when the sun warms them, that ice turns to vapor and streams away as a tail that can stretch farther than the distance from Earth to the sun. The tail always points away from the sun, never behind the comet like a wake. It is pushed, not pulled.
Signs That the Sky Is Not Fixed
We tend to think of the sky as permanent — the same stars our grandparents saw. But the heavens move, and Scripture speaks of a day when even they will be shaken. Comets are a gentle reminder of that: visitors, not fixtures, crossing the fixed stars like messengers passing through a quiet room. They do not predict the future. But they do whisper that the sky above us is not a sealed ceiling — it is a living creation, and its Author is free to move within it.
"The stars will fall from heaven, and the powers of the heavens will be shaken."
The Faithful Visitor
Every seventy-six years, give or take, Halley's Comet comes back. It returned in the lifetime of Jesus' first followers, in the year of the Battle of Hastings, in the year Mark Twain was born and the year he died — and it will return again. Generation after generation has looked up and seen the same visitor. A comet on a leash of math and mercy: a small, steady sermon that the same God who keeps His promises to one generation keeps them to the next.
"For the Lord is good; His steadfast love endures forever, and His faithfulness to all generations."
Light That Is Not Its Own
A comet makes no light of its own. It glows only because the sun reaches it, even at the far edge of the solar system — and the closer it comes, the brighter it burns. So it is with the people of God. We are not the source; we are the reflectors. The nearer we draw to the true light, the more the world sees of Him in us.
"He must increase, but I must decrease."
Notable Comets
Halley's Comet
~76 yearsThe most famous of all comets, returning like clockwork since at least 240 BC. Its 1910 passage stirred wonder — and a little panic — across the world.
Comet NEOWISE
One-time visitor (2020)In the summer of 2020, when much of the world was locked indoors, a comet hung in the evening sky bright enough to see with the naked eye.
The Great Comet of 1577
One-time visitorTycho Brahe measured it and proved comets lived far beyond the Moon — not weather, but heavens. A scientist's eye opened a door to wonder.
Comet Hale–Bopp
~2,530 yearsVisible to the naked eye for an astonishing eighteen months in 1996–97 — the longest-bright comet of the modern age.
The wanderer comes, the wanderer goes — but the One who set its long path does not change.
When the Dust Falls — Meteor Showers