Young Suns of NGC 7129 . ... Explanation: Young suns still lie within dusty NGC 7129 , some 3,000 light-years away toward the royal constellation Cepheus . While these stars are at a relatively tender age, only a few million years old, it is likely that our own Sun formed in a similar stellar nursery some five billion years ago. ... Take a short survey about viewing astronomy images on mobile devices. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...