NASA’s Hubble Examines Cloud-9, First of New Type of Object
Astronomers using NASA’s Hubble Space Telescope have confirmed the first-ever starless, gas-rich, dark-matter-dominated cloud, nicknamed “Cloud-9,” near the galaxy Messier 94. This object, a Reionization-Limited H I Cloud (RELHIC), contains neutral hydrogen and about five billion solar masses of dark matter but has not formed stars, representing a “failed galaxy” and a relic of early galaxy formation. Cloud-9 was initially discovered three years ago via radio … Continue reading NASA’s Hubble Examines Cloud-9, First of New Type of Object
