Index
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Y
References are to paragraph numbers except where specified as table, figure, or page numbers. See also glossary of key terms, pp. 823–40.
- years
- in astrophysical contexts, 9.12
- at beginning of sentence, 9.5
- inclusive, 9.67–68
- mega- and giga-, 9.12
- natural phenomena identified by, 8.83