恒星

The planet is probably in orbit around a small star.

这颗行星可能正环绕着一颗小恒星运行。

The stars must have formed 10 to 15 billion years ago.

这些恒星一定是形成于100到150亿年前。

When will scientists conquer the stars?

科学家什么时候能征服恒星 呢 ?

We might look for a tiny wobble in the position of a star.

我们也许会观察到恒星的位置微微地变动。

Each galaxy contains myriads of stars.

每一星系都有无数的恒星.

Ptolemy charted more than 1000 stars in 48 constella-tions.

托勒密绘制了48个星座1,000多颗恒星的星位图。

A stellar wind streams outward from the star.

从那颗恒星上不断吹出恒星风。

Astronomers will have to collect more spectra from these stars to confirm their suspicions.

天文学家们必须要从这些恒星上采集更多的光谱来证实他们的推想。

An astronomer can determine the brightness of each star.

天文学家能够测定每颗恒星的亮度。

The Galaxy consists of 100 billion stars.

银河系由1,000亿颗恒星组成。

The star's surface temperature is reckoned to be minus 75 degrees Celsius.

这颗恒星的表面温度估计在零下75摄氏度左右。

Such configurations, obtained theoretically by calculation, are called models of a star.

通过理论计算得到的恒星结构称为恒星模型.

The nearest star to earth is about 4 light years away.

地球离最近的恒星大约为4光年。

The satellite will study energy radiation from stars.

这颗人造卫星将用来研究恒星的能量辐射。

All the stars send out light and heat.

所有的恒星都会发出光和热.