网站首页
词典首页
请输入您要查询的英文单词或汉字:
词汇
本星系群
释义
本星系群
běn xīng xì qún
以銀河系爲中心,半徑約300多萬光年空間內星系的總稱。已知成員和可能成員有星系四十個左右。主要的星系有銀河系,大、小麥哲倫星雲,三角座旋渦星系,仙女座旋渦星系m31和m32等。總質量約爲六千五百億個太陽質量。它又是範圍更大的本超星系團的一個成員。
随便看
North American Thermal Analysis Society
North American Toll-Free Services Markets
north american university
North American urogenital blastomycosis
North American watershed
North American white-flowered avens
north american yacht racing union
North America oaks
North America Regional Test Center
north americas
North America will move westwards
North Amherst
North Amity
northampton
Northampton County
Northampton County Area Community College
Northampton Downs
northamptons
Northampton sands
Northampton Seamount
North Andover
Northamptonshire
Northampton shire
northamptonshires
NorthamptonSywellAirport
英汉汉英双解词典包含9999994条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。
Copyright © 2000-2024 tbdmj.com All Rights Reserved
更新时间:2025/5/4 0:24:19