Joseph Gaultier de la Vallette
Encyclopedia
Joseph Gaultier de la Vallette was a 17th century French astronomer. He was a contemporary and friend of Galileo and Peiresc
. With Peiresc he observed the moons of Jupiter
in November 1610 and earlier that year he had been the second person after Peires to see the Orion Nebula
.
Nicolas-Claude Fabri de Peiresc
Nicolas-Claude Fabri de Peiresc was a French astronomer, antiquary and savant who maintained a wide correspondence with scientists and was a successful organizer of scientific inquiry...
. With Peiresc he observed the moons of Jupiter
Galilean moons
The Galilean moons are the four moons of Jupiter discovered by Galileo Galilei in January 1610. They are the largest of the many moons of Jupiter and derive their names from the lovers of Zeus: Io, Europa, Ganymede and Callisto. Ganymede, Europa and Io participate in a 1:2:4 orbital resonance...
in November 1610 and earlier that year he had been the second person after Peires to see the Orion Nebula
Orion Nebula
The Orion Nebula is a diffuse nebula situated south of Orion's Belt. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light...
.