The 3rd-magnitude open cluster M44 in Cancer, also known as NGC 2632, the Beehive Cluster, or the Manger. It is 1½° across and contains about 50 stars of 6th magnitude and fainter. It is centred about 590 l.y. away.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。