HD 217107

HD 217107

Jesse Russell Ronald Cohn

     

бумажная книга



ISBN: 978-5-5106-0795-6

High Quality Content by WIKIPEDIA articles! HD 217107 is a yellow subgiant star approximately 65 light-years away from Earth in the constellation of Pisces (the Fish). Its mass is very similar to the Sun`s, although it is considerably older. Two planets have been discovered orbiting the star: one is extremely close and completes an orbit every seven days, while the other is much more distant, taking eight years to complete an orbit.