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The number of dwarf planets in the Solar System is unknown. Estimates have run as high as 200 in the Kuiper belt [1] and over 10,000 in the region beyond. [2] However, consideration of the surprisingly low densities of many large trans-Neptunian objects, as well as spectroscopic analysis of their surfaces, suggests that the number of dwarf planets may be much lower, perhaps only nine among ...
Former dwarf planet candidates (4 P) S. 120347 Salacia (3 P) V. 174567 Varda (2 P) Pages in category "Possible dwarf planets" The following 200 pages are in this ...
A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, ... Brown has maintained a list of hundreds of candidate objects, ...
candidate detection of accreted planet material via spectroscopy 2024 metals in agreement with giant planet (similar to WD J0914+1914), period of 4.4 days from TESS, first and currently only white dwarf with detection of zinc [28] Sirius B white dwarf+A0V star candidate 1.5 0.9 astrometry 2024 has a mass range of 0.8-2.4 Jupiter masses. [29] [30]
On November 4, 2013, astronomers reported, based on Kepler space mission data, that there could be as many as 40 billion Earth-sized planets orbiting in the habitable zones of Sun-like stars and red dwarf stars within the Milky Way galaxy. [7] [8] Eleven billion of these estimated planets may be orbiting Sun-like stars. [9]
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December 2013, April 2014 — A candidate exomoon of a free-floating planet MOA-2011-BLG-262L, was announced, but due to degeneracies in the modelling of the microlensing event, the observations can also be explained as a Neptune-mass planet orbiting a low-mass red dwarf, a scenario the authors consider to be more likely.
An artist's rendition of Kepler-62f, a potentially habitable exoplanet discovered using data transmitted by the Kepler space telescope. The list of exoplanets detected by the Kepler space telescope contains bodies with a wide variety of properties, with significant ranges in orbital distances, masses, radii, composition, habitability, and host star type.