Until now, he explained, astronomers looked for evidence of dark matter only through its gravitational influence on bright galaxies.

The astronomers in Herrick's room looked at each other in surprise.

When astronomers look through a telescope, or people observe without one; anything you can see is there.

When astronomers are looking at the sky, they often adjust the telescope in order to refine the results.

It was the same, but as the astronomer looked into those eyes, a new interpretation came to him.

A astronomer looks at the stars, a doctor looks at the human body.

Meanwhile, other astronomers were looking for signs of life on other planets.

Two more astronomers had come in, looked at the plates, and left shaking their heads.

So astronomers have been looking the wrong way all along.

And presently, on Earth, astronomers looked at each other helplessly.