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On March 14, 2012, the first-pass all-sky survey catalog of the WISE mission was released. [21] The co-added (AllWISE) post-cryo second survey of the sky was released at the end of 2013. [ 22 ] On March 7, 2014, NASA reported that the WISE telescope had ruled out the possibility of a Saturn-sized object out to 10,000 AU, and a Jupiter-sized or ...
Hyperion, a large distant 10th planet theorized in 2000 to have had an effect on Kuiper Belt formation. [4] Tyche, a hypothetical planet in the Oort Cloud supposedly responsible for producing the statistical excess in long period comets in a band. [5] Results from the WISE telescope survey in 2014 have ruled it out. [6] [7] [8]
Harrington died in January 1993, without having found Planet X. [53] Six months before, E. Myles Standish had used data from Voyager 2's 1989 flyby of Neptune, which had revised the planet's total mass downward by 0.5%—an amount comparable to the mass of Mars [53] —to recalculate its gravitational effect on Uranus. [54]
In March 2016, the Monthly Notices of the Royal Astronomical Society published a paper by Daniel Whitmire (who had proposed the existence of Tyche) in which he reconsidered a modified version of the Nemesis model he had first proposed in 1985 [121] due to recent speculations concerning the possibility of a trans-Neptunian planet. [122]
Cosmos: Possible Worlds is a 2020 American science documentary television series that premiered on March 9, 2020, on National Geographic.The series is a follow-up to the 2014 television series Cosmos: A Spacetime Odyssey, which followed the original Cosmos: A Personal Voyage series presented by Carl Sagan on PBS in 1980.
DMPP-1 [66] Found by Dispersed Matter Planet Project looking for hot ablating planets. HD 38677 c: 6.584 +0.003 −0.002: 0.0733 +0.0006 −0.0007: 1239 radial vel. 202.2169 ± 3.261564 1.21 ± 0.03 6196 ± 29 DMPP-1 [66] Found by Dispersed Matter Planet Project looking for hot ablating planets, 2:1 orbital resonance of unconfirmed transiting ...
The discovery of TOI-1338 b was announced in early January 2020 at the 235th American Astronomical Society meeting in Honolulu, Hawaii. [10] In February 2021, a petition was launched calling for TOI-1338 b to be renamed SOPHIE in honor of late Scottish musician Sophie. [11] [12] The petition was supported by Charli XCX and Caroline Polachek. [11]
Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. [4] [2] Its gravitational effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth i.e. over 250 astronomical units (AU).