Date: 2014-12-23 09:39:34Astronomy Open clusters Outer space Plasma physics NGC objects Astronomical X-ray sources OrionCygnus Arm Beehive Cluster X-ray astronomy Hyades Chandra X-ray Observatory Cosmic distance ladder | | Linking Stellar Coronal Activity and Rotation at 500 Myr: A Deep Chandra Observation of M37 Alejandro Núñez , M. A. Agüeros , K. R. Covey , A. L. Kraus , J. D. Hartman , M. López-MoralesAdd to Reading ListSource URL: cxc.cfa.harvard.eduDownload Document from Source Website File Size: 1,01 MBShare Document on Facebook
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