CrosswordOpener.com - we know the word that you can`t guess In case of any inconvenience..
Ground-breaking astronomer
Else clues• The Father of Modern Astronomy
• Astronomer Johannes
• Astronomer who described planetary motion
• Founder of modern astronomy
• German astronomer
• German astronomer Johannes
• It will make you cry
• German astronomer who first stated laws of planetary motion (1571-1630)