4.3: Astronomical Objects in Motion

ESA - European Space Agency on Instagram: "Hubble has uncovered a new type of astronomical object 🌌 A starless, gas-rich, dark-matter cloud that is 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. For years, scientists have been looking for evidence of such a phantom object, which was proposed in theory. But only when they turned Hubble toward the cloud were they able to confirm that it is in