Strange Universe: The Stuff of Darkness

Figuring out what's hidden in outer space between the visible stars and galaxies isn't easy.

By Emily Sohn, 00:00 AM February 9, 2004

It isn't easy to study darkness.

 

Try it. Next time you're outside on a clear night, look up. You might see the winking lights of an airplane, the glow of an orbiting satellite, or even the bright trail of a meteor. Of course, you'll see lots of stars.

 

What about all the space between the stars? Is something hidden out there in the darkness? Or is it merely empty?

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there anything in the dark areas between distant galaxies?

 

Is there anything in the dark areas between distant galaxies?

 

NASA, ESA, the GOODS Team, and M. Giavalisco (STScI)

Ther...

Source URL: https://student.societyforscience.org/article/strange-universe-stuff-darkness