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He has been referred to by himself and by others as the man who "killed Pluto", [3] [4] [5] because he furthered Pluto's being downgraded to a dwarf planet in the aftermath of his discovery of Eris and several other probable trans-Neptunian dwarf planets. He is the author of How I Killed Pluto and Why It Had It Coming, published in 2010.
OGLE-2016-BLG-1190Lb is the first exoplanet discovered by microlensing with the Spitzer space telescope and the first exoplanet discovered lying near the planet/brown dwarf boundary. [ 1 ] [ 3 ] In addition, the discovery "is likely to be the first Spitzer microlensing planet in the Galactic bulge/bar," according to the initial reported study.
In 2020, he discovered the ultrafaint dwarf galaxy named Pisces VII/Triangulum III [6] [7] which turned out to be a strong satellite candidate of the dwarf spiral galaxy Messier 33. [8] [9] Pisces VII is the first Local Group galaxy to be discovered by a non-professional astronomer. [10] [11] Donatiello II dwarf galaxy imaged by the Hubble ...
He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered the ninth planet, but was reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids, and called for the serious scientific research of unidentified flying objects.
The concept of human exploration of dwarf planets has intrigued scientists since Pluto's discovery in 1930. Despite the vast distances and significant challenges, advancements in space technology could make such endeavors possible. Colonizing dwarf planets offers potential economic benefits due to the presence of rare and valuable ores. [23]
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 ...
Eris (minor-planet designation: 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. [22] It is a trans-Neptunian object (TNO) in the scattered disk and has a high-eccentricity orbit. Eris was discovered in January 2005 by a Palomar Observatory–based team led by Mike Brown and verified
Host star is the brightest star with multiple known transiting Earth-size exoplanets. Another transiting planet in the system is suspected. [39] HD 101581 c: 0.0925 6.21 transit 41.7 0.740 ± 0.087 4675 ± 53 Host star is the brightest star with multiple known transiting Earth-size exoplanets. Another transiting planet in the system is ...