<div align="justify">Scientists have identified a record breaking brown dwarf with the 'purest' composition that is about 90 times as massive as Jupiter, located 750 light years away in the outermost reaches of our galaxy.<br /><br />Brown dwarfs are intermediate between planets and fully-fledged stars. Their mass is too small for full nuclear fusion of hydrogen to helium (with a consequent release of energy) to take place, but they are usually significantly more massive than planets.<br /><br />The object, known as SDSS J0104+1535, is located 750 light years away in the constellation of Pisces, SDSS J0104+1535 is made of gas that is around 250 times purer than the Sun, so consists of more than 99.99 per cent hydrogen and helium.<br /><br />Estimated to have formed about 10 billion years ago, measurements also suggest it has a mass equivalent to 90 times that of Jupiter, making it the most massive brown dwarf found to date.<br /><br />It was previously not known if brown dwarfs could form from such primordial gas, and the discovery points the way to a larger undiscovered population of extremely pure brown dwarfs from our Galaxy's ancient past.<br /><br />"We really didn't expect to see brown dwarfs that are this pure," said ZengHua Zhang of the Institute of Astrophysics in the Canary Islands.<br /><br />"Having found one though often suggests a much larger hitherto undiscovered population, I'd be very surprised if there aren't many more similar objects out there waiting to be found," said Zhang.<br /><br />SDSS J0104+1535 has been classified as an L type ultra-subdwarf using its optical and near-infrared spectrum, measured using the European Southern Observatory's Very Large Telescope (VLT).<br /><br />The findings were published in Monthly Notices of the Royal Astronomical Society.</div>
<div align="justify">Scientists have identified a record breaking brown dwarf with the 'purest' composition that is about 90 times as massive as Jupiter, located 750 light years away in the outermost reaches of our galaxy.<br /><br />Brown dwarfs are intermediate between planets and fully-fledged stars. Their mass is too small for full nuclear fusion of hydrogen to helium (with a consequent release of energy) to take place, but they are usually significantly more massive than planets.<br /><br />The object, known as SDSS J0104+1535, is located 750 light years away in the constellation of Pisces, SDSS J0104+1535 is made of gas that is around 250 times purer than the Sun, so consists of more than 99.99 per cent hydrogen and helium.<br /><br />Estimated to have formed about 10 billion years ago, measurements also suggest it has a mass equivalent to 90 times that of Jupiter, making it the most massive brown dwarf found to date.<br /><br />It was previously not known if brown dwarfs could form from such primordial gas, and the discovery points the way to a larger undiscovered population of extremely pure brown dwarfs from our Galaxy's ancient past.<br /><br />"We really didn't expect to see brown dwarfs that are this pure," said ZengHua Zhang of the Institute of Astrophysics in the Canary Islands.<br /><br />"Having found one though often suggests a much larger hitherto undiscovered population, I'd be very surprised if there aren't many more similar objects out there waiting to be found," said Zhang.<br /><br />SDSS J0104+1535 has been classified as an L type ultra-subdwarf using its optical and near-infrared spectrum, measured using the European Southern Observatory's Very Large Telescope (VLT).<br /><br />The findings were published in Monthly Notices of the Royal Astronomical Society.</div>