NASA’s Hubble Examines Cloud-9, First of New Type of Object

A team using NASA’s Hubble Space Telescope has uncovered a new type of astronomical object — a starless, gas-rich, dark-matter cloud considered a “relic” or remnant of early galaxy formation. Nicknamed “Cloud-9,” this is the first confirmed detection of such an object in the universe — a finding that furthers the understanding of galaxy formation, the early universe, and the nature of dark matter itself. “This is a tale of a failed galaxy,” said the program’s principal investigator, Alejandro...