Phrases starting with the letter: 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

Definition of: astronomical time

Most often used phrases:

astronomical time eeping
astronomical time scales
astronomical time cale
exact astronomical time
astronomical time cales
astronomical time standard
astronomical time scale

Phrases starting with the letter: 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