Separated at birth: solar siblings Astronomers identify the first solar sibling - a star formed in the same star cluster as the Sun billions of years ago. May 13 2014 at 06:00pm Related Stories Astronomers spy baby planet in stellar womb How did mini-planet get there? Kepler’s planet bonanza find Comment Guidelines Please read our comment guidelines. Login and register, if you haven’ t already. Write your comment in the block below and click (Post As) Has a comment offended you? Hover your mouse over the comment and wait until a small triangle appears on the right-hand side. Click triangle () and select "Flag as inappropriate". Our moderators will take action if need be.