Assertion: asteroid belt's object | /r/HasProperty | discovered
Facets:
value: so far
type: OTHER
Source sentences:
text: It was originally considered a planet, but was reclassified as an asteroid in the 1850s after many other objects in similar orbits were discovered.
text: The first astronomer to suggest this was Frederick Leonard who began suggesting that objects beyond Pluto exist and await to be discovered.
text: Many other objects were later discovered, and thus the existence of the Kuiper Belt was proven.
text: Pallas, third largest asteroid in the asteroid belt and the second such object to be discovered, by the German astronomer and physician Wilhelm Olbers on March 28, 1802, following the discovery of Ceres the year before.
text: More than 1,800 potentially hazardous objects have been discovered so far, but there are many more waiting to be found.
text: He classified it as a planet, but then it was demoted to an asteroid in the 1850s when other objects in similar orbits were discovered.
text: Vesta, second largest—and the brightest—asteroid of the asteroid belt and the fourth such object to be discovered, by the German astronomer and physician Wilhelm Olbers on March 29, 1807.