Skip to content

Sections

Maps Timeline Graph Cosmos Life Culture Innovation People Climate Trends Art

© 2026 Vinony · Knowledge from Wikipedia, Wikidata, and 27 public APIs.

hydrogen line · Vinony

EntityQ1406191· pop 26· linked from 302 articles

hydrogen line

Sign in to save

spectral line of hydrogen state transitions

Connections

electric charge

Planck constant

search for extra-terrestrial intelligence

chronology of the universe

hyperfine structure

Planck–Einstein relation

quantum mechanics

International Standard Book Number

Harvard University

Categories

Astrochemistry Emission spectroscopy Hydrogen Hydrogen physics Physical cosmology Radio astronomy

Sources

wikipedia.externallinksexternallink

Similar entities

Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).

Entitydist 0.55

transition state theory

Entitydist 0.58

Entitydist 0.58

quantum phase transition

Entitydist 0.60

mixed quantum state

Entitydist 0.61

Entitydist 0.62

Entitydist 0.62

Van Hove singularity

Entitydist 0.62

Entitydist 0.63

Entitydist 0.63

Entitydist 0.64

Entitydist 0.64

What links here302 pages

Zone of Avoidance

orders of magnitude

interstellar medium

Nançay Radio Observatory

Gart Westerhout

Murchison Radio-astronomy Observatory

high-velocity cloud

Ursa Major II Dwarf

Prince Edward Islands

Water hole (radio)

Allen Telescope Array