radiants

Points emitting light

Radiants is the plural of radiant, a point in the sky from which meteors in a shower appear to originate.

Meteor showers are named for the constellation containing their radiant: the Perseids radiate from Perseus, the Leonids from Leo.

The Geminids have two radiants.

In gaming and fantasy contexts, radiants may refer to characters or beings associated with light or divine power.

astronomy

meteor shower

Burst of falling stars

celestial · shooting stars · trajectory · zenith · night sky · observation · stargazing · declination · altitude · hourly rate

light

luminosity

Intrinsic brightness of source

beams · rays · shine · brightness · effulgence · incandescence · gleaming · illumination · phosphorescence · shimmering

fantasy

Sanderson

heating

underfloor

Beneath the flooring

warmth · HVAC · convection · baseboard · infrared · heat transfer · emitters · boiler · thermostat · pipes

Opposites
energy emission vs absorption

radiantsabsorbers

Things that take in energy

sinks · heat sinks · receptors · collectors · insulators

luminosity/brightness

radiantsshadows

Dark areas from blocked light

voids · dark matter

directionality of flow

radiantsfocal points

Centers of attention

receivers · terminuses · endpoints · drains

Phrases
Family

radiant, radiance

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