In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll expand your horizons with today’s topic: Hubble’s Law! In 1929 astronomer Edwin Hubble made a remarkable measurement. Earlier in that decade, he had discovered that the Andromeda Nebula was not a nebula at all, but an entirely different galaxy completely separated … Continue reading "Astronomy Jargon 101: Hubble’s Law"