spiral nebula是什么意思 spiral nebula在线翻译 spiral nebula什么意思 spiral nebula的意思 spiral nebula的翻译 spiral nebula的解释 spiral nebula的发音

1. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog.
    在北部大约5千万光年的距离的飞马座，NGC 7331早些时候被认定为一个螺旋星云，而且是未包括在18世纪的查尔斯梅西耶星团星云列表里面的最亮的星系之一。

2. spiral nebula的近义词

2. In looking at the Carina Nebula we are seeing the genesis of star making as it commonly occurs along the dense spiral arms of a galaxy.
    通过对船底座星云的观察，我们看到了通常沿银河密集的旋臂所诞生恒星的起源。

3. Solar system originated as a result of double spiral nebula synthesis
    太阳系起源双螺旋星云复合成因说