Local Fluff refers to the diffuse clouds of gas and dust that surround the Sun's immediate neighborhood in the Milky Way galaxy. Synonyms for Local Fluff include the Local Bubble, the Local Hot Bubble, and the Local Interstellar Cloud. These names are used to refer to the same area of space, but with a slightly different emphasis on its characteristics. The Local Bubble emphasizes the absence of dust, while the Local Hot Bubble refers to the high temperature of the gas. Finally, the Local Interstellar Cloud refers to the fact that this area of space contains a relatively high density of gas and dust, which affects the behavior of passing stars.