单词barred-spiral-galaxy
Hubble has delivered an unrivalled snapshot of the nearby barred spiral galaxy NGC 1672.
哈勃太空望远镜提供了无可比拟的快照NGC1672星系附近的棒旋星系。
Barred spiral galaxy NGC 4731 lies some 65 million light-years away.
棒旋星系NGC4731约在6500光年以外。