Astronomers have confirmed the existence of an exotic pulsar with the widest orbit ever detected and is one of the very few binary neutron star systems known to date.
Using the new capabilities of the upgraded Karl G. Jansky Very Large Array (VLA), scientists have discovered previously-unseen binary companions to a pair of very young protostars. The discovery gives strong support for one of the competing explanations for how double-star systems form.
The binary system SS Cygni contains a white dwarf and a red dwarf that complete orbits around each other in just 6.6 hours. This pair, which astronomers thought was 520 light-years away, actually is just 370 light-years from Earth, according to results published May 24 in Science.
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