Clouds of Perseus ~ contains over solar masses of gas and dust, but the eye is drawn to red NGC Known as the California Nebula, its characteristic glow of atomic hydrogen gas is fueled by ultraviolet light from luminous blue star Xi Persei.
States of Matter: Solids, Liquids, and Gases Study Guide Outline - Characteristics of Matter - King Virtue's Classroom Starting your unit on Matter? Help your students get off to a great start with this simple study guide outline.
CUMULONIMBUS INCUS at Mykonos, Greece - photo by Sfortis, via Wikipedia; a cumulonimbus cloud which has formed the characteristic flat, anvil-top shape. They can form into supercells resulting in severe storm phenomena such as tornadoes.