Without these complete series of observations of unprecedented accuracy, Kepler could not have discovered that planets move in elliptical orbits. Tycho was also the first astronomer to make corrections for atmospheric refraction. ... But Mercury, Venus, Mars, Jupiter, and Saturn revolved about the Sun. He put the (circular)
galileo.rice.edu/sci/brahe.html galileo.rice.edu/sci/brahe.html
Mars is a planet visible to the naked eye, and hence was "discovered" before ... Galileo Galileo (1564 - 1642) observes Mars with a primitive telescope, ...
library.thinkquest.org/03oct/01858/aboutmars_history.ht... library.thinkquest.org/03oct/01858/aboutmars_history.html
Mars is much like Venus-- it's very bright and therefore easily spotted in the night sky. Because of this, we don't know who exactly discovered Mars. We do know it was named after the Roman god of war, because its reddish color reminded people of blood.
www.windows.ucar.edu/tour/link=/mars/discovery.html www.windows.ucar.edu/tour/link=/mars/discovery.html
which means "Be greeted, double knob, children of Mars." In other words, Kepler deduced that Galileo had in fact discovered two moons of Mars, exactly as he (Kepler) had inferred from the geometric series!
www.mathpages.com/home/kmath151/kmath151.htm
1609 - Galileo Makes First Telescopic Observation of Mars ... Galileo Galilei (1564-1642), a professor at the University of Padua in Venice, Italy, uses the telescope, invented in 1608, to observe Mars, a first. ... 1610 - Galileo Notes Phases on Mars...
www.astrodigital.org/mars/timeline1.html www.astrodigital.org/mars/timeline1.html
galileo-galilei.org...
www.galileo-galilei.org/ www.galileo-galilei.org/
Galileo's great defense of the independence of science from religious authority. ... Some years ago, as Your Serene Highness well knows, I discovered in the heavens many things that had not been seen before our own age. ... Modern History Sourcebook: Galileo Galilei: Letter to the Grand Duchess Christina of Tuscany, 1615...
www.fordham.edu/halsall/mod/galileo-tuscany.html www.fordham.edu/halsall/mod/galileo-tuscany.html
"In the early 17th Century, Galileo discovered that the planet Mars goes through a minor gibbous phase. Even in its maximum gibbous phase, Mars is 88% illuminated. Quoting James Muirden in the Amateur Astronomer's Handbook, 'It is remarkable that Galileo was able to make out the phase with his tiny telescope.'
www.science-frontiers.com/sf060/sf060p03.htm
Mariner 4 Mars flyby November 28, 1964 ... Simon (Mayr) Marius (1570-1624), was a German astronomer and physician who studied with Kepler and attended Galileo's lectures. He claimed to have discovered the four largest moons of Jupiter in 1610, the same year that Galileo discovered them (independently).
www.enchantedlearning.com/subjects/astronomy/glossary/i... www.enchantedlearning.com/subjects/astronomy/glossary/indexm.shtml
The only other such picture came from an interplanetary spacecraft, Galileo, when it discovered the small moon, now known as Dactyl, around asteroid (243)Ida in 1993. ... Eugenia orbits the sun in the main asteroid belt, a collection of thousands of asteroids that exists between the orbits of Mars and Jupiter.
nssdc.gsfc.nasa.gov/planetary/news/eugenia_pr_19991006.... nssdc.gsfc.nasa.gov/planetary/news/eugenia_pr_19991006.html