The light from a star moving away is seen at a lower frequency, or more red.

E1b1a is also found at low frequencies in this area.

Most systems do not operate at just a single frequency.

But it, too, begins to fall off at higher frequencies.

The other routes ran at a frequency of every hour or less.

How can I find out at what frequency the station in my area is broadcasting?

Train will run at a frequency of one every 5.5 minutes during peak hours.

It is just at a frequency that does not trigger human eyes.

At double the frequency, there's only time for it to charge up half the amount.

So, they can analyze the cells for one or few times at the set frequency only.