twin of the sun: Astronomers have found the Sun's long-lost twin. The star HIP 56948, considered to be the best solar twin, is about 200 light-years away. The mid-sized star is one of many in the Draco constellation and may be a billion years older than the middle-aged Sun
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bytes-7
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-technology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hydrogen-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/physical-science
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/astronomy
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/australia