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Feb 9, 1473
Copernicus Birth
Nicolus Copernicus is born in Torun, Poland. -
May 24, 1523
Copernicus' Death
Nicolus Copernicus died. -
Oct 11, 1541
Manuscript
Nicolus Copernicus published his astronomical manuscript. -
Feb 15, 1564
Galileo's Birth
Galileo is born in Pisa, Italy. -
Period: to
Galileo
Galileo invented a new and powerful telescope. -
Galileo's Letter
Galileo published his letters about sunspots based on observations he made. -
Galileo's death
Galileo dies due to natural causes. -
Newton's birth
Newton dies. -
Netwon's book
Newton's book about mathematical principles of natural philosophy is published. -
Hubble's Birth
Ewdin Hubble is born in Marshfield, Missouri. -
Galaxies
Ewdin Hubble demonstrates that there galaxies beyond the Milky Way. -
Hubble's laws
Hubble laws sre identified and show that the universe is expanding. -
Death
Edwin Hubble dies of a heart attack.