initial main sequence star 初始主序星 post main sequence star 主序后星 per main sequence star 主序前星 initial main sequence 初始主序 main program sequence 主要程序步骤 zerorotation main sequence 无自转主序 main sequence 主星序,主序 generalized main sequence 广义主序 upper main sequ...
main sequence star 美 英 un.主序星 例句 释义: 全部,主序星
How long a main sequence star lives depends on how massive it is. A higher-mass star may have more material, but it burns through it faster due to higher core temperatures caused by greater gravitational forces. While the sun will spend about 10 billion years on the main sequence, a star...
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网络释义 1. 零龄主序 进 入零龄主序(zero-age main sequence star)。恒星的光度温度有所增加,半径略微减小。 wenku.baidu.com|基于 1 个网页
A pre-main sequence star (PMS star, or PMS object) is a star in the stage when it has not yet reached the main sequence. It can be a T Tauri star or FU Orionis star (0.5 Solar mass translates into a move along Hayashi tracks (almost vertically down) and later along Henyey tracks...
It is suspected of harbouring a large population of pre-main-sequence (PMS) stars. Aims: We have probed the stellar population of NGC 1893 in an attempt to determine its size and extent. In particular, we look for signs of sequential star formation. Methods: We classify a large sample ...
We present X-ray data for all main-sequence and subgiant stars of spectral types A, F, G, and K and luminosity classes IV and V listed in the Bright Star Catalogue that have been detected as X-ray sources in the ROSAT all-sky survey; several stars without luminosity class are also in...
Jeroen Search - Main Sequence Star 专辑: Alpha Centauri 歌手:Jeroen Search 还没有歌词哦Jeroen Search - Main Sequence Star / 已添加到播放列表 1 播放队列/1 1 Main Sequence Star Jeroen Search 04:26Mac版酷狗音乐已更新 就是歌多 详情 下载 ...
AU Microscopii (AU Mic) is the second closest pre-main-sequence star, at a distance of 9.79 parsecs and with an age of 22 million years1. AU Mic possesses a relatively rare2 and spatially resolved3 edge-on debris disk extending from about 35 to 210 astronomical units from the star4, ...