Astronomical Journal

15 new planets confirmed around cool dwarf stars

A research team led by Teruyuki Hirano of Tokyo Institute of Technology's Department of Earth and Planetary Sciences has validated 15 exoplanets orbiting red dwarf systems. One of the brightest red dwarfs, K2-155 that is ...

dateMar 12, 2018 in Astronomy
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A stellar system with three super-Earths

Over 3500 extra-solar planets have been confirmed to date. Most of them were discovered using the transit method, and astronomers can combine the transit light curves with velocity wobble observations to determine the planet's ...

dateMar 02, 2018 in Astronomy
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Citizen scientists discover five-planet system

In its search for exoplanets—planets outside of our solar system—NASA's Kepler telescope trails behind Earth, measuring the brightness of stars that may potentially host planets. The instrument identifies potential planets ...

dateJan 11, 2018 in Astronomy
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Planets around other stars are like peas in a pod

An international research team led by Université de Montréal astrophysicist Lauren Weiss has discovered that exoplanets orbiting the same star tend to have similar sizes and a regular orbital spacing. This pattern, revealed ...

dateJan 09, 2018 in Astronomy
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