1-nebula 星云

2-eject 喷出，喷射

The blue nebula, NGC 2020, was formed when a star 200,000 times larger than our sun ejected a huge amount of gas.

3-exquisite 精美的，精致的

It's Hubble's exquisite vision from its orbit above Earth's atmosphere that gives us the ability to get a clear glimpse of of this kind incredible beauty and activity.

4-cosmic 宇宙的

5-coral reef 珊瑚礁

Researchers thought the image looked a lot like a coral reef, titling the resulting picture 'Cosmic Reef'.

6-in good/bad/poor shape 情况良好/不佳/糟糕

But 30 years ago, when it launched, the telescope wasn't in great shape.

7-powerhouse 强大的组织/集团，强国

8-astronomy 天文学

It was revolutionary to launch such such a large telescope 30 years ago, and this astronomy powerhouse is still delivering revolutionary science today.