Brahe Tycho

Brahe

 (brä, brä′hē, brä′ə), Tycho 1546-1601.
Danish astronomer whose accurate astronomical observations formed the basis for Johannes Kepler's laws of planetary motion.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Brahe

(brä, brä′hē), Tycho 1546-1601.
Danish astronomer who made the most accurate and extensive observations of the planets and stars in the age before the telescope. Brahe determined the position of 777 stars, demonstrated that comets follow regular paths, and observed the supernova of 1572, which became known as Tycho's star.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.