Asked by: Olympia Nallet
asked in category: General Last Updated: 29th May, 2020

Which planet came first?

Five planets have been known since ancient times — Mercury, Venus, Mars, Jupiter, and Saturn. The first new planet discovered was Uranus. It was discovered by the English astronomer Sir William Herschel in 1781.

PLANET DIST. FROM SUN (A.U.) ORBIT PERIOD (EARTH-YEARS)
Pluto 39.44 248.5

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In this regard, in what order were the planets created?

So, if we include the three dwarf planets, the order of formation was something like: (Pluto and Ceres more-or-less together), (some inner planets that were obliterated), Jupiter, (Saturn, Uranus, Neptune more-or-less together), (Mercury, Venus, Earth, Mars more-or-less together).

One may also ask, what planet is the oldest? The planet is one of the oldest known extrasolar planets, believed to be about 12.7 billion years old.

PSR B1620−26 b.

An artist's impression of PSR B1620-26 b. Its parent stars are visible in the background.
Discovery
Discovered by Backer et al.
Discovery site United States
Discovery date May 30, 1993 (confirmed July 10, 2003)

Also, what came first the sun or planets?

The third, the disk instability method, may account for the creation of giant planets. Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula. Gravity collapsed the material in on itself as it began to spin, forming the sun in the center of the nebula.

What type of planet is Earth?

the terrestrial planets

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