US EditionSuper-Earth Discovered in Habitable Zone of Sun-Like Star via TTV Technique, Paving Way for 'Earth 2.0' Searches
- An international team led by Yunnan Observatories utilized Transit Timing Variations to discover the super-Earth Kepler-725c, which orbits within the life-supporting region surrounding the Sun-like star Kepler-725.
- The discovery was made by examining the transit timing variations of Kepler-725b, a Jovian planet orbiting its star every 39.64 days, which allowed researchers to determine the characteristics of a previously undetected companion planet in the same system.
- Kepler-725c is a non-transiting planet about 2,472 light-years away that orbits its star every 207.5 days and has ten times Earth's mass within the habitable zone.
- Sun Leilei explained that unlike transit and radial velocity methods, the TTV technique indirectly detects planets by measuring timing variations of known resonant planets, avoiding their observational challenges.
- The finding demonstrates the TTV method's potential to detect low-mass habitable zone planets and suggests further study to assess Kepler-725c's conditions for Earth-like life.
16 Articles
16 Articles
Intl efforts led by Chinese scientists discover super-Earth with new technique
Are we alone in the universe, and does another planet exist that could support life like Earth? It is an ancient question that has long captivated humanity. For the first time, an international collaboration led by Chinese researchers with the Yunnan Observatories of the Chinese Academy of Sciences has adopted the Transit Timing Variation (TTV) technique and detected the presence of a super-Earth codenamed Kepler-725c within the habitable zone o…
Scientists discover super-Earth planet in sun-like star's habitable zone
For centuries, humanity has wondered about life beyond Earth. Now, Chinese and German scientists have found a promising clue: Kepler-725c, a super-Earth about 10 times Earth's mass that is located 2,472 light-years away in the habitable zone of a sun-like
Scientists have a new way that we can find out if aliens exist
Life might not look or form how it did on Earth (Picture: Getty) ‘Are we alone in the universe?’ is a question humanity has long asked. But a team of scientists has created a new way to answer whether aliens exist. Daniel Apai, an astrophysicist and astrobiologist at the University of Arizona, studies exoplanets – worlds that orbit other stars. Figuring out if exoplanets are habitable is tricky, as they’re too far out of reach to properly resear…
A temperate 10-Earth-mass exoplanet around the Sun-like star Kepler-725
The detection of low-mass exoplanets (≤10 Earth masses (M⊕)) yields fundamental inputs for current theories of planet formation and evolution, and supplies critical information for the planned direct-imaging missions that aim to detect and characterize Earth-like planets in the habitable zones around solar-like stars. However, the most efficient detection techniques available for low-mass exoplanets (that is, photometric transit and radial veloc…
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