open clusters

Main Sequence and White Dwarf Binaries are Hiding in Plain Sight

Some binary stars are unusual. They contain a main sequence star like our Sun, while the other is a "dead"…

13 hours ago

Hubble Sees a Glittering Jewel in the Small Magellanic Cloud. But the Jewel is Disappearing

As far as we know, nobody lives in our neighbour, the Small Magellanic Cloud (SMC.) So it's okay to point…

2 years ago