article_snippet: Planets wandering through space, unattached to any star or solar system, may be much more common that previously thought, according to an expert.
article_snippet: Ashley Yeager for Science News Science News has explained that solo planets (artist's impression shown) could be common.
article_snippet: The potential for these free-floating planets to be common was discussed in an article by Ashley Yeager for Science News.
article_snippet: The number of possible planets in one such region is not known, and this depends on what the boundary between cloud density and planet formation is.
article_snippet: Even if only a small fraction can be made to collapse, only a small fraction could make a significant contribution to the population of free-floating planets.
article_snippet: However, the number of possible planets that can be found in one such region  is not known.
highlights_snippet: Ashley Yeager for Science News explained Planets could be common .
  