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  1. Humans

    Letters from the July 30, 2005, issue of Science News

    Led astray The illustration of the solar system in “Roaming Giants: Did migrating planets shape the solar system?” (SN: 5/28/05, p. 340) does not represent the current orbit of the planets. Rather, it must be a frame from the computer simulation referred to in the article. William MeadowsDripping Springs, Texas Indeed, the image reflects the […]

    By Science News
  2. Astronomy

    Planet potential

    Observations with the Submillimeter Array on Hawaii's Mauna Kea reveal that, despite their bombardment by a stellar bully, the disks in Orion have enough material to form planets.

    By Ron Cowen
  3. Physics

    Why isn’t the sky violet, Daddy?

    A new analysis of why the sky looks blue reveals that the reason may be the combined effects of the atmosphere and of our eyes' color-sensing apparatus.