Search results
Results from the WOW.Com Content Network
Dwarf planet (2006) Giuseppe Piazzi. He first announced his discovery on 24 January 1801, in letters to fellow astronomers. [27] The first formal publication was the September 1801 issue of the Monatliche Correspondenz. [28] 1840s o: 23 September 1846 p: 13 November 1846 Neptune: 13th Planet (1846) [a] 8th Planet (1851) Galle and Le Verrier [29 ...
Brown estimated, prior to the discovery of its satellite, that 2013 FY 27 was very likely to be a dwarf planet, due to its large size. [10] However, Grundy et al. calculate that bodies such as 2013 FY 27 , less than about 1000 km in diameter, with albedos less than ≈0.2 and densities of ≈1.2 g/cm 3 or less, may retain a degree of porosity ...
It was discovered by Andrew Becker, Andrew Puckett and Jeremy Kubica on 10 September 2005 at Apache Point Observatory in Sunspot, New Mexico. Brown estimates that it is possibly a dwarf planet . [ 9 ] [ 10 ]
2006 – The 26th General Assembly of the IAU voted in favor of a revised definition of a planet [234] and officially declared Ceres, Pluto, and Eris dwarf planets. [235] [236] 2007 – Dwarf planet Gonggong, a large KBO, was discovered by Megan Schwamb, M. Brown, and D. Rabinowitz. [237] 2008 – The IAU declares Makemake and Haumea dwarf planets.
2060 Chiron is a ringed small Solar System body in the outer Solar System, orbiting the Sun between Saturn and Uranus.Discovered in 1977 by Charles Kowal, it was the first-identified member of a new class of objects now known as centaurs—bodies orbiting between the asteroid belt and the Kuiper belt.
A Belgian-led team made the discovery using both space- and ground-based telescopes, spotting the planets as they passed in front of the red dwarf star known as TRAPPIST-1.
M. E. Brown estimates that is very likely a dwarf planet. [9] A diameter of 680 ± 34 km has been determined from combined observations of the Herschel and Spitzer space telescopes. [ 5 ] Tancredi notes that light-curve-amplitude analysis shows only small deviations, suggesting that (90568) 2004 GV 9 could be a spheroid with small albedo spots ...
The newly-found ETNO joins Sedna, a dwarf planet believed to be about 250 AU from the sun, as objects residing outside the Kuiper Belt, where Pluto resides, according to Space.