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A weird, super-hot celestial body is breaking records and challenging astronomers’ understanding of the boundary between stars and planets. The object, called WD0032-317B, is a brown dwarf – a type of bright, gaseous ‘protostar’. Brown dwarfs typically have a similar atmospheric composition to Jupiter but are around 13 to 80 times larger. At that mass, these objects begin to fuse hydrogen isotopes in their cores. However, they aren’t quite massive enough to spark the kind of full self-sustaining stellar fusion that powers stars like our Sun – think of smouldering charcoal rather than a lit wood-fired oven.
هذه القصة مأخوذة من طبعة Issue 146 من All About Space UK.
ابدأ النسخة التجريبية المجانية من Magzter GOLD لمدة 7 أيام للوصول إلى آلاف القصص المتميزة المنسقة وأكثر من 9,000 مجلة وصحيفة.
بالفعل مشترك ? تسجيل الدخول
هذه القصة مأخوذة من طبعة Issue 146 من All About Space UK.
ابدأ النسخة التجريبية المجانية من Magzter GOLD لمدة 7 أيام للوصول إلى آلاف القصص المتميزة المنسقة وأكثر من 9,000 مجلة وصحيفة.
بالفعل مشترك? تسجيل الدخول
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Chris Hadfield "It feels like magic”
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PROJECT DRAGONFLY
The innovative laser sail technology that could propel us to interstellar space
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A HUNGRY BLACK HOLE 'SWITCHES ON' AS ASTRONOMERS WATCH IN SURPRISE
J221951 is one of the most extreme examples yet
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MYSTERIES OF THE UNIVERSE - WHY DOES JUPITER CHANGE COLOUR?
For years, scientists have tried to work out why Jupiter’s bands frequently move and change colour. Now they believe they’ve found the answer
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MARS HELICOPTER PHONES HOME AFTER A 63-DAY SILENCE
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