1.   An examination of previous pictures of brown dwarfs taken by the Hubble Space Telescope revealed faint traces of the disks, which had been overlooked.

2.   An infrared photograph of a cluster of new stars and objects called brown dwarfs, which are believed to form like stars but are dimmer.

3.   And most of them did turn out to be something else, like a dim star, not a brown dwarf.

4.   And there are also very faint objects of intermediate size, called brown dwarfs, that have been stepping out of the wings with increasing and mystifying frequency.

5.   At a news conference Monday, Golimowski said the new objects were probably older brown dwarfs that had cooled over billions of years.

6.   A brown dwarf, like a star, is formed by the gravitational collapse of a cloud of gas.

7.   A few could still be confirmed as brown dwarfs.

8.   All in all, brown dwarfs now seem to be officially here, although not in large enough numbers to account for much of the dark matter.

9.   Brown dwarfs are small stars that emit far less light and heat than real stars.

10.   Brown dwarfs are believed to look like dim stars, glowing mostly with infrared radiation but lacking sufficient mass to ignite the internal nuclear fires that make stars shine.