But finding nascent massive stars has proven difficult.

但找到新生的巨型恒星很不容易。

youdao

Neutron stars are created when massive stars run out of fuel and collapse.

中子星是在大型恒星耗尽燃料后崩溃而产生的。

youdao

NICMOS shows a large number of these massive stars distributed throughout the region.

多目标光谱仪显示了很大数量的大质量性恒星分布在整个区域。

youdao

Astronomers have always thought that the Andromeda Galaxy was more massive than the Milk Way because it is believed to have more stars.

VOA: special.2009.01.20

The hub itself will be dimmer and abandoned by the massive stars to which it gave birth.

CNN: Stellar nursery in nearby galaxy teems with activity

Such black holes typically start their lives as very massive stars, then quickly burn through their hydrogen supply.

FORBES: Free-Floating, Nearby Black Holes Detectable By Decade's End, New Study Reports

There may not exist in today's Universe places that have sufficient supplies of gas and dust to feed ever more massive stars.

BBC: Astronomers detect 'monster star'