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en.wikipedia.org/wiki/Ceres_(dwarf_planet)

Ceres (/ ˈ s ɪər iː z /; minor-planet designation: 1 Ceres) is the largest object in the asteroid belt that lies between the orbits of Mars and Jupiter, slightly closer to Mars's orbit. With a diameter of 945 km (587 mi), Ceres is the largest of the minor planets and the only dwarf planet inside Neptune's orbit.

theplanets.org/ceres

Size of Ceres compared with the Earth Side by side size comparison of the size of Ceres vs Earth Facts about the dwarf planet Ceres. Ceres was the first object to be considered an asteroid in the solar system. In early 1801, an Italian astronomer by the name of Giuseppe Piazzi discovered and named Ceres.

space-facts.com/ceres

Ceres is the closest dwarf planet to the Sun and is located in the asteroid belt, between Mars and Jupiter, making it the only dwarf planet in the inner solar system. Ceres is the smallest of the bodies current classified as dwarf planets with a diameter of 950km. Facts Dawn Mission Diagrams Pictures Ceres Dwarf Planet […]

nssdc.gsfc.nasa.gov/planetary/factsheet/asteroidfact.html

The image above is Ceres taken from the Dawn spacecraft. Below is a table of information on selected asteroids, and at the bottom of the page are comments on the asteroids. Orbit values for epoch JD 2457400.5 (2016-01-13). Most of the values for mass and many of the diameter values are only rough ...

www.answers.com/Q/What_is_the_diameter_of_Ceres

Ceres (designated as 1 Ceres) has an average diameter of about 950 km (590 miles). It is by far the largest object in the asteroid belt. It is, however, the smallest dwarf planet. By comparison ...

www.britannica.com/place/Ceres-dwarf-planet

Ceres has the shape of a flattened sphere with an equatorial radius of 490 km and a polar radius of 455 km, equivalent in volume to a sphere with a diameter of 940 km—i.e., about 27 percent that of Earth’s Moon. Although Ceres is the largest asteroid, it is not the brightest.

solarsystem.nasa.gov/planets/dwarf-planets/ceres

Called an asteroid for many years, Ceres is so much bigger and so different from its rocky neighbors that scientists classified it as a dwarf planet in 2006. Even though Ceres comprises 25 percent of the asteroid belt's total mass, tiny Pluto is still 14 times more massive. Ceres is named for the Roman goddess of corn and harvests.

spacedictionary.org/ceres

Ceres spins on its axis once every 9 hours and four minutes. This makes a day on Ceres pretty short and almost the same as on Jupiter which is just under 10 hours. Ceres is the smallest of the Dwarf planets. It is 950 kilometres (590 miles) in diameter. This is much smaller than Earth which is 12,756 kilometres (7,925 miles).

space-facts.com/makemake

Makemake is the second furthest dwarf planet from the Sun and is the third largest dwarf planet in the solar system. Makemake was discovered on March 31st 2005 and was recognized as a dwarf planet by the International Astronomical Union (IAU) in July 2008. Until April 2016 Makemake was thought to be the only one […]

www.popsci.com/nasa-missions-may-re-elevate-pluto-and...

Pluto And Ceres May Become Planets Again Soon. ... though more than double the size of Ceres, with a diameter of 2,300 kilometers. Pluto also has an unusual orbit, as it crosses Neptune’s orbit ...