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Jupiter might have shaped the Solar System on its grand tack. In planetary astronomy, the grand tack hypothesis proposes that Jupiter formed at a distance of 3.5 AU from the Sun, then migrated inward to 1.5 AU, before reversing course due to capturing Saturn in an orbital resonance, eventually halting near its current orbit at 5.2 AU.
As was the case with the Jupiter, the Union Pacific only began to acknowledge the 119's historical significance well after it was scrapped. For a 1949 reenactment of the Golden Spike ceremony staged at the Chicago Railroad Fair the Chicago, Burlington, and Quincy Railroad 's locomotive number 35 was cosmetically altered stand-in for the 119 ...
Pioneer 11's closer encounter with Jupiter allowed the spacecraft to discover Jupiter's intense radiation belts similar to Earth's Van Allen Belts. One of the peaks in charged particle flux was found near the orbit of Io. [1] Radio tracking during the encounters of both Pioneers with Io provided an improved estimate of the moon's mass.
Jupiter is the largest planet in the Solar System, with more than twice the mass of all the other planets combined. [5] Consideration of sending a probe to Jupiter began as early as 1959. [6] NASA's Scientific Advisory Group (SAG) for Outer Solar System Missions considered the requirements for Jupiter orbiters and atmospheric probes.
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The DuBois Pioneer Home is turning 125 years old. The home, pictured here, was built in 1898 along the banks of the Jupiter Inlet by Harry DuBois as a wedding present to his new bride, Susan.
Comet Shoemaker–Levy 9 (formally designated D/1993 F2) was a comet that broke apart in July 1992 and collided with Jupiter in July 1994, providing the first direct observation of an extraterrestrial collision of Solar System objects. [5]