Astronomers spy new class of dark, water-rich asteroids like dwarf planet Ceres

Astronomers interpret the spectra of 10 well-known dark asteroids and find them to be water-rich like the dwarf planet Ceres.

Astronomers spy new class of dark, water-rich asteroids like dwarf planet Ceres
Astronomers interpret the spectra of 10 well-known dark asteroids and find them to be water-rich like the dwarf planet Ceres.