Tiny, fast-spinning white dwarf is the most massive ever discovered
The white dwarf ZTF J1901+1458 is about 2,670 miles across, while the moon is 2,174 miles across. The white dwarf is depicted above the Moon in this artistic representation; in reality, the white dwarf lies 130 light-years away in the constellation of Aquila. Giuseppe Parisi When our sun finally runs out of fuel and nears…