7 January 1610CallistoSimon Marius
The name is suggested by Simon Marius soon after the moons discovery
Historical records for Italy in 1610, rendered directly from the World History Database and ordered by month, day and event.
The name is suggested by Simon Marius soon after the moons discovery
Observes three points of light close to Jupiter, beginning the discovery of its major moons.
Observes the fourth Galilean moon, later named Callisto.
Concludes that four observed bodies orbit Jupiter rather than the Earth.
Publishes telescopic observations of Jupiter's satellites in Sidereus Nuncius.
Makes an alliance with France against Spain & Austria
Galileo becomes mathematician and philosopher to Grand Duke Cosimo II, allowing his return from Padua to Tuscany.
Publication of "The Starry Messenger", claims the Earth revolves around the Sun. Galileo's observations of the phases of Venus proved that it orbited the Sun and lent support to (but did not prove) the heliocentric model
Discovers Lunar Reflected Light
Uses the newly invented telescope to discover mountains & continents on the moon
The first observation of Saturn through a telescope is made by Galileo Galilei, his first telescope is so crude that he wasnt able to distinguish the planets rings; instead he thought the planet might have ears or two large moons on either side
Galileo's observations of the phases of Venus proved that it orbited the Sun and lent support to (but did not prove) the heliocentric model. Galileo observes that Venus exhibited a full set of phases similar to that of the Moon
Publishes his initial telescopic astronomical observations in March 1610 in a short treatise entitled Sidereus Nuncius (Starry Messenger)
Galileo names Jupiter's newly discovered satellites the Medicean Stars in honour of the ruling Medici family.
Galileo reports that telescopic observation resolves the Milky Way into a vast multitude of individual stars.
Publishes his initial telescopic astronomical observations in March 1610 in a short treatise entitled Sidereus Nuncius (Starry Messenger). Publication of "The Starry Messenger", claims the Earth revolves around the Sun
Discovers that Sunspots move across the surface of the sun
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.