Ceres

discovered on

1801-01-01

dwarf planet of

Solar System

random

Absolute magnitude is a measure of the intrinsic brightness of a celestial object, such as a star, galaxy, or asteroid, as it would appear if observed from a standard distance of 10 parsecs (about 32.6 light-years). Unlike apparent magnitude, which measures how bright an object appears from Earth, absolute magnitude eliminates the effect of distance, allowing astronomers to compare the true luminosities of objects. A lower absolute magnitude indicates a brighter object, while a higher number signifies a dimmer one. It provides a way to understand the actual energy output of stars and other celestial bodies.

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tagged

March 6 – NASA’s Dawn probe enters orbit around Ceres, becoming the first spacecraft to visit a dwarf planet.

tags

dwarf planet

Wikidata

https://www.wikidata.org/wiki/Q596

Wikipedia

Ceres (dwarf planet) (Wikipedia) Ceres (minor-planet designation: 1 Ceres) is a dwarf planet in the middle main asteroid belt between the orbits of Mars and Jupiter. It was the first known asteroid, discovered on 1 January 1801 by Giuseppe Piazzi at Palermo Astronomical Observatory in Sicily, and announced as a new planet. Ceres was later classified as an asteroid and then a dwarf planet, the only one not beyond Neptune’s orbit.

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Jupiter

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Mars