At least one supernova occurs per decade in our galaxy.

每十年至少有一颗超新星在我们的银河系中出现。

《柯林斯英汉双解大词典》

There are other systems also in our galaxy, which is called the Milky Way.

我们的星系被称为银河系，其中还存在其他的恒星系统。

youdao

Our galaxy is so huge that dozens of lesser galaxies scamper about it, like moons orbiting a giant planet.

我们的银河系实在庞大，吸引着数十个较小的星系环绕着它奔跑，恰似环绕巨大行星旋转的卫星。

youdao

Mr. Reid noted that: "Our galaxy probably has 4, not 2, spiral arms of gas and dust that are forming stars."

VOA: special.2009.01.20

The team made the discovery by measuring the speed at which our galaxy is moving through space.

VOA: special.2009.01.20

The new information also adds to astronomers' understanding of our galaxy's spiral arms.

VOA: special.2009.01.20

Radio astronomers have now made a new map of the radio sources near our galaxy's core.

BBC: By BBC News Online Science Editor Dr David Whitehouse

Astronomers think our galaxy contains at least 100 billion stars, and perhaps as many as 400 billion.

MSN: New Milky Way photo captures 1 billion stars

This information is expected to unlock new information about the structure, origin and evolution of our Galaxy.

BBC: A billion pixels for a billion stars