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

Yes, children of the dark nebulae and not of the bright galaxies!

M81 is one of the brightest galaxies that can be seen from the Earth.

At night it shone like a bright little galaxy in the great world Outside.

The least bright galaxies are one ten-billionth the brightness of what the human eye can see.

What reason is there to choose the brightest galaxy as the center?

The photographed area contains no known bright galaxies, which helped reduce light contamination in the observations.

They were only the brightest galaxies, not the presumably more numerous intermediate and small ones.

It is the brightest infrared galaxy in the sky.

It is one of the youngest and brightest galaxies ever discovered.