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The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Sputnik 1: 4 October 1957 First Earth orbiter [1] [2] Sputnik 2: 3 November 1957 Earth orbiter, first animal in orbit, a dog named Laika [2] [3] [4] Explorer 1: 1 February 1958 Earth orbiter; discovered Van Allen radiation belts [5] Vanguard 1: 17 March 1958 Earth orbiter; oldest spacecraft still in Earth orbit [6] Luna 1: 2 January 1959
Its orbit revealed that it was a new planet, Uranus, the first ever discovered telescopically. [20] Giuseppe Piazzi discovered Ceres in 1801, a small world between Mars and Jupiter. It was considered another planet, but after subsequent discoveries of other small worlds in the same region, it and the others were eventually reclassified as ...
This is a partial list of exoplanets discovered by the Kepler space ... in a system with more than 2 stars Planet discovered by Kepler ... 6.4 ± 2.1: 2.78578 ±0. ...
On February 26, 2014, NASA announced the discovery of 715 newly verified exoplanets around 305 stars by the Kepler Space Telescope. The exoplanets were found using a statistical technique called "verification by multiplicity". 95% of the discovered exoplanets were smaller than Neptune and four, including Kepler-296f, were less than 2 1/2 the ...
Planet type Circumbinary planet: Planet orbits a single star in a multiple star system Planet has a circumbinary orbit in a system with more than 2 stars Planet discovered by Kepler community Potentially habitable None of the above
The newly discovered sub-Neptunes range from 1.9 to 2.9 times Earth's diameter. All appear to possess a large atmosphere. They and their star are located around 100 light-years from Earth.
This list of exoplanets discovered in 2024 is a list of confirmed exoplanets that ... 647.6 +2.5 −2.7: 1.354 ... 1.4 Pulsar planet located in the globular ...