space

White dwarf stars, which our Sun will eventually become, will become a solid crystal, according to new research. Pictured: In this NASA handout, the Moon transits across the Sun, as seen in 304 angstrom extreme ultraviolet light during the total eclipse M Astronomers find white dwarf stars to be useful in determining the age groups of neighboring stars as the former's predictable lifecycle allows them to be used as cosmic clocks.
Jan 14, 2019
By Micah Ong