Journal of the Amateur Astronomers Association of New York November 2007 Volume 55 Number 11, ISSN 0146-7662 EYEPIECE like our Sun." ... Then, when the universe was a mere 400,000 years old, electrons were connected to atoms, causing the universe to become transparent, but not yet with stars. Hubble found that star formation peaked when the universe was 7-8 billion years old. ... For instance, the planet orbiting star HD209458 had no moons and contained an atmosphere of sodium, carbon and oxygen. ...