A close-up of the Dragon's Egg Nebula, with two mismatched stars inside. ESO/VPHAS+ team. Acknowledgement: CASU Some 3,800 light-years away from Earth, in the Southern Hemisphere constellation ...

Two large stars residing inside a spectacular cloud of gas and dust nicknamed the "Dragon's Egg" nebula have presented a puzzle to astronomers. One of them has a magnetic field, as does our sun.

Two large stars residing inside a spectacular cloud of gas and dust nicknamed the “Dragon’s Egg” nebula have presented a puzzle to astronomers. One of them has a magnetic field, as does our sun.

Two large stars residing inside a spectacular cloud of gas and dust nicknamed the "Dragon's Egg" nebula have presented a puzzle to astronomers. One of them has a magnetic field, as does our sun.

WASHINGTON (Reuters) - Two large stars residing inside a spectacular cloud of gas and dust nicknamed the "Dragon's Egg" nebula have presented a puzzle to astronomers. One of them has a magnetic field, ...