6. Helio=Greek affix meaning the sun

heliodon

A device that uses a light source in a physical model to simulate the effects of sunlight on a building.

helio

Greek affix meaning the sun or light

heliogram

a message sent by reflecting sunlight in flashes from a movable mirror (heliograph)

heliophyte

a plant that grows best in direct sunlight

helioscope

a telescope for viewing the sun, adapted to protect the eye of the viewer from the sun's glare.

heliometer

a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies.

heliograph

device for telegraphing by means of the sun's rays; a device for signaling by means of a movable mirror that reflects beams of sunlight, to a distance.

heliozoans

have silica shells that extend & look like sun rays

heliocentric

having or representing the sun as a center: the heliocentric concept of the universe.

heliophile

one attracted to sunlight

heliolithic

relating to a civilization characterized by sun worship and megaliths

heliolater

someone who worships the sun

Heliocentric Theory

theory that the sun is at the center of the universe

heliolatry

worship of the sun