主題: 畢宿星團更多系外行星 ZEIT (Zodiacal Exoplanets in Time) Survey 作者: peter 於 2018-01-09 09:05:35 http://www.skyandtelescope.com/astronomy-news/exoplanets/more-planets-in-hyades-cluster/
畢宿星團發現更多系外行星 類似海王星大小 (http://wwwcdn.skyandtelescope.com/wp-content/uploads/hyadesfig2-6.jpg) K2 mission ZEIT (Zodiacal Exoplanets in Time) Survey. Using these data, they identified the presence of three planets in the EPIC 247589423 system: a roughly Earth-sized planet (~1.0 Earth radii) with a period of ~8.0 days, the mini-Neptune identified in the other study, with a size of ~2.9 Earth radii and period of ~17 days, and a super-Earth, with a size of ~1.5 Earth radii and period of ~26 days. (http://familystar.org.tw/forum/index.php?action=dlattach;topic=19668.0;attach=72070;image) |