In the early seventeenth century, Copernicus' concept of a heliocentric universe was further developed by the great German mathematician Johannes Kepler ... laws of planetary motion, which ...

Johannes Kepler’s laws of planetary motion were based on data collected by Danish astronomer Tycho Brahe. James Watson and Francis Crick discovered the double helical structure of DNA ...

Observatory. (Photo By Encyclopaedia Britannica/UIG Via Getty Images) 17th-century astronomer Johannes Kepler—known for his laws of planetary motion—investigated the matter in the 17th century ...