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 Illustration of the Kepler-90 system compared to the inner solar system. Kepler-90h is the outermost planet of the Kepler-90 system. | |
| Discovery | |
|---|---|
| Discovered by | Kepler spacecraft[1] |
| Discovery date | 2017 Shallue et al.[2][1] |
| Transit[2] and deep learning, a class of machine learning algorithms.[1] | |
| Orbital characteristics | |
| 0.107+0.025 −0.040[1] AU | |
| 14.44912±0.00020[2] d | |
| Inclination | 89.20 +0.59 −1.30[2] |
| Star | Kepler-90 |
| Physical characteristics | |
| 1.32±0.21[2] R🜨 | |
| Temperature | 709 K (436 °C; 817 °F)[2] |
Kepler-90i (also known by its Kepler Object of Interest designation KOI-351.08)[2] is a super-Earth exoplanet with a radius 1.32[2] times that of Earth, orbiting the early G-type main sequence star Kepler-90 every 14.45 days, discovered by NASA's Kepler spacecraft.[1][3] It is located about 2,840 light-years (870 parsecs, or nearly 2.4078×1016 km) from Earth in the constellation Draco. The exoplanet is the eighth in the star's multiplanetary system. As of December 2017, Kepler-90 is the star hosting the most exoplanets found. Kepler-90i was found with the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured, and by a newly utilized computer tool, deep learning, a class of machine learning algorithms.[1][4][5]
- ^ a b c d e f Shallue, Christopher J.; Vanderburg, Andrew (16 December 2017). "Identifying Exoplanets With Deep Learning: A Five Planet Resonant Chain Around Kepler-80 And An Eighth Planet Around Kepler-90" (PDF). Retrieved 14 December 2017.
- ^ a b c d e f g h "Kepler-90 i". NASA Exoplanet Archive. Retrieved 14 December 2017.
- ^ St. Fleur, Nicholas (14 December 2017). "An 8th Planet Is Found Orbiting a Distant Star, With A.I.'s Help". The New York Times. Retrieved 15 December 2017.
- ^ Chou, Felecia; Hawkes, Alison; Northon, Karen (14 December 2017). "Release 17-098 – Artificial Intelligence, NASA Data Used to Discover Eighth Planet Circling Distant Star". NASA. Retrieved 14 December 2017.
- ^ Chou, Felicia; Hawkes, Alison; Landau, Elizabeth (14 December 2017). "Artificial Intelligence, NASA Data Used to Discover Eighth Planet Circling Distant Star". NASA. Retrieved 15 December 2017.
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