And so you get all this useful information in astronomy by making the Doppler shift measurements of binary systems.

你们可以得到所有，天文学中的有用信息，只要对双星系统进行，多普勒顿移。

youdao

Imagine now you can make the Doppler shift measurements of both stars.

假设现在你可以，对双星进行，多普勒顿移的测量。

youdao

If you have a binary system whereby both stars are visible so you get the spectrum of both stars, then you see the Doppler shift of both stars in the spectrum.

若存在一个双星系统，两颗恒星均看不见，你能得到双星的光谱，然后在光谱中看到，双星的多普勒顿移。

youdao

Rather than looking for the tiny Doppler shift of a bright star, in other words, Dr Cameron and his team were looking for the much larger Doppler shift of a much fainter planet.

ECONOMIST: Extrasolar planets

There is a doppler shift when the recipient is moving and this can be a significant issue.

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And since a moving object causes a tiny change (known as a Doppler shift) in the frequency of the reflected signal, Silent Sentry can also calculate how fast it is moving.

ECONOMIST: Remote sensing