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Unit D - Chp. 16

Vocabulary Words for Test

QuestionAnswer
Atmosphere of the sun Corona
Group of stars, gas, and dust Galaxy
Distance light travels in one year Light-Year
Brightness of a star Magnitude
Name of the galaxy we live in Milky Way
Surface of the sun Photosphere
Burst of energy from the sun's atmosphere Solar Flare
Particles thrown into space by the sun Solar Wind
Dark areas on the surface of the sun Sunspots
Everything that exists Universe
Process that produces solar energy Fusion
How bright a star actually is Absolute magnitude
How bright the star appears from Earth Apparent magnitude
Energy from the sun travels in ___ Waves
The layer of the sun where sunspots occur Photosphere
The layer of the sun that is the hottest Core
The layer of the sun where cooler particles are pulled down by gravity Convection Zone
The types of energy released by the sun Infrared waves, X-rays, radio waves, ultraviolet rays
3 Types of Galaxies Spiral, Elliptical, Irregular
Happens when Earth casts a shadow on the moon. Lunar Eclipse
Happens when the moon blocks the sun's light Solar Eclipse
Tools used to measure the angle between a star and the horizon Astrolabe and Sextant
The reason the constellations seen in the sky change each different season Earth REVOLVES around the sun.
The reason the stars appear to move across the sky each night Earth ROTATES on its axis.
Created by: lachapellt
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