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Kepler-10b is the first confirmed terrestrial planet to have been discovered outside the Solar System by the Kepler Space Telescope. [7] Discovered after several months of data collection during the course of the NASA-directed Kepler Mission, which aims to discover Earth-like planets crossing in front of their host stars, the planet's discovery was announced on January 10, 2011.
Per the usual exoplanet nomenclature, the first planet discovered to be orbiting Kepler-10 is called Kepler-10b. Announced in 2011, it was the first definitely rocky planet identified outside the Solar system. The planet has a mass that is 3.33±0.49 times that of Earth's and a radius that is 1.47 +0.03 −0.02 times that of Earth. [2]
This list of exoplanets discovered in 2025 is a list of confirmed exoplanets that were first reported in 2025. For exoplanets detected only by radial velocity , the listed value for mass is a lower limit.
Scientists say they have found new evidence that there is a hidden planet in our solar system. For years, some astronomers have been suggesting that unusual behaviour on the edge of our solar ...
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]
Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find ...
First probe to another planet; Venus flyby (contact lost before flyby) [17] [18] [19] Vostok 1: 12 April 1961 First crewed Earth orbiter (Yuri Gagarin) [20] [21] Ranger 1: 23 August 1961 Attempted lunar test flight (failed to leave Earth orbit) [22] [23] [24] Ranger 2: 18 November 1961 Attempted lunar test flight (failed to leave Earth orbit ...
By RYAN GORMAN Scientists may have found Planet X -- the long-rumored object believed to be larger than Earth and further from the sun than Pluto. Planet X and another object dubbed "Planet Y ...