Jupiter may have appeared similar during its early stages. Formation of jupiter artist's depiction of a gas giant in formation; Diagram from 1771 of astronomy, solar system, phases of moon, orbit, sun, earth, and jupiter's moons.
In what is known as the grand tack hypothesis, jupiter formed about 3.5 astronomical units (au, 524 million km [325 million miles]) from the sun. Jupiter is the fifth planet from the sun and the largest in the solar system. It is a gas giant with a mass nearly 2.5 times that of all the other planets in the solar system combined and slightly.
Here are seven notable dates in humankind’s history of observing jupiter. Jupiter has been a constant companion in the night sky throughout human history. Jupiter shines bright in the night sky, so people have known about it since ancient times. 1900 1950 jan 7, 1610, galileo discoverd jupiter's 4 moons sep 3, 1664, discovery of jupiter's great red spot sep 3, 1690, evalutation of jupiter's atmosphere sep 3, 1938, 3 small white.
The first detailed observations of this planet were made by galileo galilei in 1610 with a. The formation of jupiter is led by processes that largely follow. Jupiter is the fifth planet from the sun and the largest planet within the solar system. Its diameter is 11 times that of earth.