LUNTHRA

Catalog 003 — Spectra

Read by its light.

Hydrogen gives off four wavelengths and nothing else. That signature is how you find it nine billion light years away.

Balmer series · H I

656.3 · 486.1 · 434.0 · 410.2 nm

Pick what it is. Then what it’s about.

Two questions instead of thirty series names. Both are optional, and they combine.

Orion Constellation Hoodie — Celestial French Terry

Featured — Celestial

Orion Constellation Hoodie — Celestial French Terry

The most recognizable constellation in the winter sky, its bright stars placed by their true positions — Betelgeuse and Rigel anchoring the hunter, the three-star belt at the…

$64.99

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Celestial / Hoodies

The Great Bear and its famous Big Dipper asterism — the first stars most people ever learn to find — drawn from real…

Celestial / Hoodies

The queen's unmistakable W, five bright stars true to the sky, opposite the Big Dipper across the north star. White…

Celestial / Hoodies

The swan flying down the summer Milky Way, also known as the Northern Cross, anchored by bright Deneb. Real star…

Celestial / Hoodies

The scorpion's long curving tail and the red heart-star Antares — one of the most striking summer constellations, drawn…

Hoodies

The ringed planet in clean white line, tilted as we see it from Earth — the most iconic shape in the solar system…

Hoodies

Eight worlds circling one star, drawn as concentric orbits — a quiet diagram of home, in white across the back. Premium…

Spectra / Tees

Four bands of light, set where hydrogen leaves them. The Balmer series is the signature an atom writes as it cools —…

Spectra / Wall art

Six elements, laid in register. Hydrogen, helium, sodium, mercury, neon and iron — each a row of fine lines at the…

Spectra

The sun's own spectrum, wrapped continuous — and across it the dark lines where light goes missing. Fraunhofer mapped…

Spectra / Tees

Neon crowds the red. A dense run of lines from yellow through deep red — the glow that fills a tube when current passes…

Spectra / Tees

Iron writes a forest. Hundreds of lines crowd its spectrum; here, a reading across the visible band on a heavyweight…

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