elliptical galaxy

基本解释

Elliptical galaxies contain many older stars, up to one trillion, but little dust and other interstellar matter.
橢圓星系中有多達萬億顆古老的恒星，但幾乎沒有灰塵和其他星際物質。
NASA's Galaxy Evolution Explorer found evidence that black holes -- once they grow to a critical size -- stifle the formation of new stars in elliptical galaxies.
太空縂署的星系縯變探測者發現了黑洞存在的証據：一旦其達到一個臨界槼模，橢圓形星系中的新星形成便會被扼殺。
One caveat, says Richard Ellis of Caltech, is that the researchers assumed that red dwarfs in the elliptical galaxies have the same chemical composition as red dwarfs in the Milky Way.
但是且慢，加州理工學院的理查德·埃利斯說，問題是研究者們假設橢圓星系中的紅矮星與銀河系中的紅矮星有相同的化學成分。

There are spiral galaxies, like our own Milky Way, and then there are elliptical galaxies, sort of football or rugby ball shaped.
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