astronomical frame of reference
noun Physics.
a frame of reference in which the sun or center of mass of the universe is fixed and which does not rotate with respect to the fixed stars.
QUIZZES
TAKE THIS QUIZ TO SEE WHAT YOU KNOW ABOUT HIGH SCHOOL PUNCTUATION!
Commas mark divisions in sentences. Periods end declarative sentences. Apostrophes show possession. Easy, right? Well, punctuation can get pretty tricky—fast. Think you got what it takes to be a punctuation expert? Take our quiz to prove it!
Question 1 of 10
Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.
Its your turn to pick the movie but your sister gets to pick the board game we’re going to play.
It’s your turn to pick the movie but your sister gets to pick the board game were going to play.
It’s your turn to pick the movie, but your sister gets to pick the board game we’re going to play.
TAKE THE QUIZ TO FIND OUTWords nearby astronomical frame of reference
astronomer, astronomer royal, astronomical, astronomical clock, astronomical distance, astronomical frame of reference, astronomical refraction, astronomical telescope, astronomical triangle, astronomical twilight, astronomical unit
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020