What is slightly larger than our Moon but nearly 1.4 times the mass of our Sun? ZTF J1901+1458, one of the tiniest white dwarf stars ever discovered. A series of ground- and space-based telescopes observed the dying husk of a … Read More
For the first time, astronomers have discovered evidence for a giant planet orbiting a tiny, dead white dwarf star. And, surprisingly, the Neptune-sized planet is more than four times the diameter of the Earth-sized star it orbits. “This star has … Read More
For the first time, astronomers have observed a white dwarf star ‘switching on and off’ in less than 30 minutes. The researchers, led by Durham University in the United Kingdom, announced on October 18 that they used NASA’s Transiting Exoplanet … Read More